Kimaï Review: Is the Celebrity Lab Diamond Favorite Worth It?

Kimaï Jewelry

USD 2720
3.9

Price

3.0/5

Selection

3.5/5

Service

3.5/5

Designs

5.0/5

Sustainability

4.5/5

Pros

  • Premium quality
  • Stunning and unique designs
  • Diamond color and clarity grades are high
  • Recycled materials

Cons

  • Premium prices
  • Diamond cut quality uncertain
  • You can't compare and inspect diamonds
  • Customer service a little slow
  • Lab diamond not 100% sustainable

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Diamonds have long been regarded as a sign of love and dedication, but the diamond business has been plagued by problems such as conflict diamonds and environmental concerns. With the introduction of lab-grown diamonds, a new age in the diamond industry has dawned.

Kimaï specializes in ethical and environmentally friendly lab-grown diamonds. Kimaï has grown quickly, driven by its exquisite designs and celebrity following. That’s why we decided to review Kimaï Jewelry and its selection of lab-created diamond jewelry.

In this Kimaï review, we’ll look at Kimaï’s lab-grown diamonds and jewelry and assess their quality, sustainability, and affordability. We’ll learn that we like many things about Kimaï, but there are also things we don’t appreciate, such as the high prices and the lack of information about diamond quality.

3 diamond jewelers we like better than Kimaï Jewelry
Kimaï Jewelry Review - Exquisite design, high prices.

We begin by offering an overview of Kimaï as a brand and discussing what sets lab-grown diamonds apart from their mined counterparts. We then explore Kimaï’s jewelry selection, including designs and diamond quality, and take a closer look at their prices and compare them with average lab-grown diamond jewelry prices.

We’ll evaluate the shopping experiences at Kimaï, their efforts at being sustainable, and its customer service – we examine return policies, exchanges, and warranty repairs so you can make a confident choice before buying from Kimaï.

We’ll end our Kimaï review by comparing them to leading brands like Vrai, Ritani, Clean Origin, James Allen, and Brilliant Earth.

Kimaï Jewelry

Keep reading our Kimaï review to learn if the premium quality and designs justify the premium prices.

Overview of Kimaï Jewelry and Lab-Grown Diamonds

In the first part of our Kimaï Jewelry, we will provide an overview of Kimaï lab diamonds and jewelry, explore who they are, the benefits of Kimaï’s lab-grown diamonds, and how they compare to other jewelers in the market.

Who is Kimaï Jewelry?

Kimaï is a fine jewelry brand that creates unique designs using ethically sourced materials, including lab-grown diamonds. Their collections feature stunning pieces crafted with lab diamonds. With their mission to create unique, beautiful, and environmentally friendly diamond jewelry, Kimaï has quickly become one of the leading names in the industry.

The History of Kimaï Jewelry

Kimaï was founded by Antwerp natives Jessica Warch and Sidney Neuhaus in 2018 and has since quickly gained popularity for its commitment to sustainability without compromising on quality or style. Its founders both hail from prominent Belgian diamond trading families, and they

However, Kimaï Jewelers is probably most famous for being the lab-grown diamond jewelry choice of the (former) Duchess of Sussex, Meghan Markle. That catapulted Kimaï into notoriety, allowing them to showcase their brilliant designs to the world.

What makes Kimaï special?

What sets Kimaï apart from other companies is its unique designs, which combine classic elegance with a modern flair. Its pieces range from simple solitaire rings to intricate pendants adorned with colored gemstones or pave-set accents for added sparkle and shine.

They work directly with a diamond lab in Israel and a team of jewelers in Antwerp. They create all jewelry pieces made-to-order, focusing on craftsmanship and sustainability.

Each piece is carefully crafted by experienced artisans who use only ethically sourced materials such as recycled gold or platinum for maximum sustainability without sacrificing quality or style.

With its unique designs and commitment to quality, it’s no wonder so many people, including celebrities, are turning to Kimaï for their diamond needs.

Kimaï’s celebrity endorsements

The Duchess of Sussex, also known as , has famously been spotted wearing stunning diamond earrings from Kimaï. The pair featured three unique evil eyes with lab diamonds set in gold, an example of the distinctive and captivating designs made by Kimaï.

More recently, , too, has been wearing Kimaï jewelry, sporting a pair of exquisite earrings.

In this Kimaï review, we list the celebrities who have worn Kimaï jewelry, including Selena Gomez (pictured).
From Kimaï’s Instagram page
Is Kimaï Jewelry legit?

Kimaï is a well-established fine jewelry brand specializing in lab-grown diamonds using recycled materials. Founded in 2018, the company has gained a reputation for its commitment to sustainability and ethical practices. Kimaï is a legitimate business, and several celebrities have endorsed Kimaï. They also appeared on the TV program “Dragon’s Den” on BBC in January 2024, securing an investment of £250,000.

Kimaï Jewelry on Dragon’s Den

In January 2024, . It is the equivalent of Shark Tank in the US, and with a convincing and well-prepared pitch, the founders secured an investment of £250,000 ($315,000) from investor Steven Bartlett.

Kimaï sustainability – ethical diamonds and more

To understand why lab-grown diamonds make Kimaï sustainable, we must first understand why lab-created diamonds are ethical and environmentally better.

Lab-grown diamonds, also known as lab-created or simply lab diamonds, are created using advanced techniques that replicate the natural conditions under which real diamonds form deep within the Earth’s crust. As a result, lab diamonds have the exact same chemical composition, physical properties, and optical characteristics as mined diamonds. So, if you are in doubt, lab-grown diamonds are real diamonds, just as real as mined diamonds are.

But lab diamonds come at a fraction of the cost while being more eco-friendly!

Benefits of Lab-Grown Diamonds

So, just by using lab-grown diamonds instead of mined ones, Kimaï is a more sustainable jewelry option. But it doesn’t stop there. Kimaï has taken further steps to ensure its products are as environmentally friendly as possible.

Recycled Materials

Kimaï uses recycled gold, silver, and platinum in all of its pieces. This means that instead of mining new metals from the earth, they use materials that have already been extracted and refined.

By doing this, they reduce the environmental impact associated with mining operations while still providing customers with high-quality jewelry pieces.

Packaging

Kimaï’s packaging is made from recyclable materials such as paper or cardboard boxes and biodegradable plastic bags. They also avoid using unnecessary plastics or other non-recyclable materials whenever possible.

Not completely sustainable

While Kimaï is reducing its carbon footprint using recycled materials and eco-friendly packaging solutions, they do not offer diamonds created using renewable energy or carbon offsetting (the former being the most sustainable, as carbon offsetting can be problematic).

As you can learn in our Vrai review, they use lab diamonds created using renewable energy, while Brilliant Earth offers similarly suitable diamonds. Pandora’s Brilliance collection, too, is moving to completely sustainable lab diamonds. We have also seen other jewelers, such as Grown Brilliance, use recycled materials and packaging.

Using 100% sustainable lab diamonds would have ensured their business practices are completely climate neutral. However, just by choosing lab diamonds over mined, Kimaï is well ahead of many other jewelers.

Kimaï is a fine jewelry brand that creates unique designs with ethically sourced lab-grown diamonds. Lab diamonds offer environmental and ethical advantages over mined diamonds and are cheaper – making them an attractive option for those seeking high-quality pieces without breaking the bank.

Kimaï jewelry selection and designs

In this part of our Kimaï review, we will discuss the design quality and selection.

Kimaï jewelry designs

One thing that makes Kimaï stand out is its unique and stunning jewelry design collections. Kimaï creates limited collections and thereby limits its stock. That is better for the environment and ensures a focus on developing new and exciting jewelry designs.

So, while their selection of jewelry designs is somewhat limited, this is, well, by design. Instead, you’ll frequently find unique pieces and new designs, ensuring their jewelry is trendy, striking, and contemporary.

The evil eye earrings that Meghan Markle was spotted wearing and that we mention in the Kimaï review.
Another stunning jewelry piece from Kimaï.

Kimaï is not where you would buy your standard lab diamond stud earrings (though they have them). Instead, Kimaï is where you shop for unique and premium designs you will not find anywhere else. But, as we’ll note later in our review of Kimaï, it comes at a cost.

Kimaï jewelry quality

Kimaï offers a range of gorgeous and unique designs that cater to various tastes and preferences. Kimaï’s exquisite collection features lab-grown diamonds set in luxurious metals such as gold or platinum, allowing for an elegant and stylish look. The outstanding quality of each item is unmistakable, making them stand out from other brands.

We’ve found that the craftsmanship and jewelry quality are very high and among the best. However, the lab diamond quality is at least as important, if not more so. So that’s what we’ll look at next in our review.

Kimaï lab-diamond selection and quality

In the previous section of our Kimaï review, we learned that their jewelry is of top-notch quality. In this part, we’ll explore the selection and quality of their lab diamonds.

Kimaï lab diamond selection

As you will have learned if you have read any of our other lab diamonds reviews or buying guides, we always recommend that you pick the stone you want from the jeweler’s selection of loose lab diamonds.

This ensures you get the perfect diamond and jewelry you are looking for. In addition, and just as importantly, you avoid the problem of jewelers using lower-quality diamonds for their pre-set lab diamond jewelry.

Unfortunately, you cannot choose the diamond yourself at Kimaï. So, instead, we’ll take a closer look at the typical diamonds they use in their pre-set jewelry collections.

Kimaï lab diamond quality

Now that we have learned that Kimaï’s designs and craftmanship are excellent let’s delve deeper into the quality of the lab diamonds they use.

Before we begin, you should recall that diamonds are graded using the 4Cs of diamonds. These apply to diamonds regardless of origin (lab-grown or mined).

The 4Cs are:

You can read about each in our guides to the lab diamonds 4Cs. But to recap, if you are looking for a colorless brilliant-type diamond, cut is the most important grade, and you should always pick the best one. Always. Cut is also very important for non-brilliant and fancy-colored lab diamonds, but clarity or color can be equally important.

We consider the diamond cut quality at Kimaï in our review. This is Kimaï's own overview of grades and the importance of diamond cut.
Kimaï provides an overview of lab diamond cut quality.

Unfortunately, Kimaï does not disclose the diamond quality of most of its jewelry. Only jewelry with larger diamonds and engagement rings have the diamond quality listed. Here’s an example of their diamond stud earrings, which run up to 1 carat per piece (2 total carat weight) at a staggering cost of $8,745 without listing any other diamond 4C than the carat weight!

In our Kimaï review, we find that they often do not list the diamond quality, including for these diamond stud earrings.

Jewelry set with bigger diamonds either includes the color and clarity grades or lets you choose between diamonds of different quality ranges, as in engagement rings.

However, the information can sometimes be hard to find even when disclosed. The examples below may help.

Diamond quality information for the Kimaï Castle Eternity ring

The quality of this diamond ring set with a smaller diamond is mentioned in the product description as F color and VS+ clarity.

The diamond quality is listed as F color and VS+ clarity of this Kimaï ring.
Diamond quality information for the Kimaï Oprah Eternity ring

For this ring set with slightly larger diamonds, the quality is listed under “about this ring” and under “materials”, though they differ a little.

Diamond quality information for the Kimaï Oprah Eternity ring
Diamond quality information for the Kimaï Simone ring

This ring features an even larger diamond, and here, the quality is disclosed under “materials” and in the bottom floating information bar, but, again, they differ slightly.

Diamond quality information for the Kimaï Simone ring
Kimaï engagement ring diamond quality

Finally, for their engagement rings, you can typically pick between diamond quality ranges. But, again, the information is all over the place and pretty confusing. Still, no diamond cut grade is mentioned.

Kimaï engagement ring diamond quality

Diamond color grades at Kimaï

As you can see from the examples above, Kimaï offers colorless diamonds from D to F on the GIA color scale. This is an excellent color quality. It’s higher than we would generally recommend. The difference between the grades is often insignificant, and mainly when set in gold, the difference between a DEF and GHI color will be unnoticeable. That’s because gold influences the light emitted from the diamond. Even in non-gold settings, you often won’t be able to spot the difference.

Except for the price tag! Higher-quality colors are rare, which makes them much more expensive. Even when produced in the lab.

Diamond clarity grades at Kimaï

Except for one of the options with the engagement rings, the clarity grades always fall between VS1 and 2 (often listed as VS+). Kimaï states that this is the highest quality, but it’s not. While VS2 is usually a sufficient clarity grade, in some cases, diamonds with noticeable inclusions can be graded as VS2 (grading is very subjective, as you can learn in our guide to lab diamond grading).

However, VS1 and 2 most often have only very slight imperfections (hence the “VS”) visible only under magnification. So, the quality is decent and acceptable.

Diamond cut grades at Kimaï

While the lab-grown diamonds used by Kimaï are of high quality regarding color and clarity, the critical diamond cut grade is entirely omitted from their product descriptions.

And that’s a problem.

To solve the question and ensure that our Kimaï review gives you the answer, we reached out to Kimaï. As we’ll mention later, we had some challenges contacting Kimaï, but finally, we got a response.

Kimaï tells us that they use diamonds of excellent (GIA) or ideal cut (IGI) grades for most of their engagement ring and that the minimum is very good. Excellent and ideal are the highest cut grades awarded by the respective diamond grading institutes.

But, there’s a huge jump down to very good, which, in fact, is not very good. You should never buy a brilliant-cut diamond shape with anything but the highest grade (excellent or ideal).

When you buy lab-grown diamond engagement rings at Kimaï, you can discuss the specific ring and diamond with their customer support and get more certainty about the diamond quality through them.

You can also contact them regarding other jewelry pieces, but you may risk getting a lower-grade diamond (such as a very good cut). We would, therefore, only recommend buying at Kimaï if they guarantee the diamond cut grade to be either excellent (GIA) or ideal (IGI).

Diamond carat weights at Kimaï

The diamond carat (a measure of weight and not size but closely correlated) is the only grade that is always listed. You can choose between different carat weights in some cases, mainly with more expensive rings.

Diamond carat shapes at Kimaï

Kimaï offers a variety of shapes, including round brilliant cut (the most popular), princess cut (square shape), and cushion cut (rounded square shape), among others. You can pick the diamond shape you like for many jewelry pieces, which is excellent and speaks to the advantages of made-to-order. However, it’s important to note that you cannot select your diamond from an inventory of loose stones like some other retailers allow.

Kimaï diamond grading and certificates

Diamonds above 0.50 carats offered by Kimaï come with an International Gemological Institute (IGI) certificate, assuring the diamond’s quality and authenticity. The IGI is a well-respected gemological laboratory that evaluates diamonds according to rigorous standards.

Kimaï says they send their diamonds for grading to IGI, but in other places, say GIA.

The FAQ pages on the Kimaï website state that IGI grades most diamonds but that they can get larger stones GIA or HRD-graded upon request.

In our Kimaï review, we have found it confusing if their diamonds are certified by IGI or GIA.

However, as we saw in all the images above, Kimaï says that GIA grades the diamonds. That is a little confusing.

Generally, GIA-graded diamonds trade at higher prices because their grading is more expensive (and more well-known). However, IGI is the leading diamond grading institute for lab diamonds, and 95% of diamonds you’ll find at reputable lab diamond jewelers are graded by IGI, which is also reputable but less well-known by the general public.

So, the GIA-IGI confusion is not a problem. It’s just…confusing.

Summary of Kimaï jewelry and diamond quality

Kimaï jewelry is of excellent quality, offering superior craftsmanship and exquisite and unique designs. However, the picture is a little muddier regarding diamond quality. The color quality is almost too good, and the clarity grades are good, but their diamond cut quality, often the most important of all grades, is absent. In addition, since you cannot pick the diamond you want from an inventory of loose lab diamonds, you will never know precisely what you are getting.

Kimaï prices – jewelry and lab diamond

The prices of Kimaï jewelry and their lab-grown diamonds are crucial aspects to consider when comparing Kimaï with other jewelers in the market. In this section, we will discuss the price range for both their jewelry pieces and lab-grown diamonds.

Kimaï jewelry prices

Kimaï offers a wide selection of jewelry and designs, including rings, engagement rings, earrings, necklaces, bracelets, and unique pieces.

The prices at Kimaï start at $215 for a single earring (o.o4 ct) and go up to several thousand dollars. Apart from engagement rings, the most expensive piece is the Splendido Earings, which happens to be the ones Selena Gomez was wearing.

Most of their designs are unique and gorgeous, and the prices for these exquisite pieces can vary greatly depending on factors such as design complexity, materials used (gold or platinum), diamond carat weight, color grade, and clarity grade, among others.

In our review of Kimaï, we have found the lowest prices start at $215.
In our review of Kimaï, we have found the prices go up to $5.995.

Generally speaking, much of Kimaï’s jewelry costs less than $1000 and is relatively affordable. But it’s not necessarily cheap. Why?

While prices are low, the diamonds used are tiny. So, if assessed purely based on the diamonds used, the quality, and the carat weight, most diamond jewelry at Kimaï is pretty expensive.

However, at Kimaï, you don’t pay only for the diamonds, and unlike at many other lab diamond jewelers, they do not make up the lion’s share of the price. Instead, you pay for the unique designs, premium quality, and brand.

It’s sort of how Tiffany & Co. charges exorbitant prices for their mined diamond jewelry. The difference is that Kimaï uses lab-grown diamonds, so the prices are not exorbitant. But they are not low either.

But, to compare with our best-rated lab-grown diamond jewelers, let’s look at their diamond prices.

Kimaï diamond prices

Usually, we compare lab-grown diamond prices by searching using a 1-carat reference diamond. However, Kimaï does not sell loose diamonds, so we cannot do this comparison.

Instead, we’ll compare one of the most popular pieces of lab diamond jewelry, for which the design is standardized and the diamond is the star of the show: The ever-popular diamond stud earrings.

Prices for lab diamond stud earrings at Kimaï and competitors

Almost all lab diamond retailers sell a pair of 1-carat (total weight) diamond stud earrings. Kimaï, too, though, in fairness, it’s not their specialty designing classic jewelry pieces. Regardless, it is a reasonable way to assess their diamond prices.

The 1-carat (total weight) lab-grown diamond stud earrings at Kimaï cost $2,695. They do not list the diamond quality, but we have been informed that it is VS2+ clarity and F+ color, similar to most of their other pieces.

Below are the prices for similar lab-grown diamond stud earrings at our highest-rated lab diamond jewelers.

JewelerClarityColorCutPrice
RitaniVS2+H+Ideal$1,360
Clean OriginVS2+F+Very Good$1,350
Grown BrillianceVS2+F+Excellent$1,750
Vrai*VS2+J+Excellent$1,900
KimaïVS2+F+Very Good$2,695
* Vrai does not use independent grading

As you can see, Kimaï is vastly more expensive than the other lab diamond retailers that we recommend. So, if you’re looking for lab-grown diamond stud earrings, we recommend getting them for half the price at Ritani!

Prices for solitaire lab diamond engagement rings at Kimaï and competitors

We’ll also compare a simple solitaire lab diamond engagement ring set with a round brilliant stone.

JewelerClarityColorCutPrice
RitaniVS2FIdeal$1,308
Clean OriginVS2FIdeal$1,855
Grown BrillianceSI1+G+Excellent$1,780
Vrai*VS2+J+Excellent$1,850
Kimaï**VVS2+FVery Good***$3,840
* Vrai does not use independent grading ** Only 0.9 carat *** You might get Excellent cut

Again, Kimaï is around double the price at our recommended jewelers. It should be noted that at Clean Origin and Ritani, we have picked the stones from their inventory of loose diamonds (which is a plus).

So, what have we learned from that? Lab-grown diamonds at Kimaï are costly. So, if you are looking for plain or classic jewelry, Kimaï should be avoided.

But, if you are looking for one-of-a-kind gorgeous and trendsetting jewelry set with lab-grown diamonds, Kimaï may be for you. However, we recommend you consider Vrai, who similarly focuses on unique and contemporary lab diamond jewelry.

In summary, while Kimaï does offer beautiful designs and high-quality lab-grown diamonds within its product offerings, they come at a high cost. If you are willing to shell out for premium designs (worn by celebrities) and a premium brand, Kimaï can be a good option. If you want something more simple and focused on the diamond, Kimaï will not suit you.

The shopping experience at Kimaï

In this part of the Kimaï review, we’ll learn if the shopping experience at Kimaï is premium, too.

The shopping experience is crucial to purchasing a lab-grown diamond or the price of lab diamond jewelry. Of course, shopping online is different from shopping in a store. It gives you access to a much larger inventory and better prices. But, importantly, it also provides better access to evaluate lab diamonds.

If you visit any jeweler, you might notice the special lightning they use. This accentuates the diamond’s brilliance, often overstating its appearance. In addition, you’ll not be able to study the diamonds in detail.

On the other hand, shopping online allows you to compare diamonds side by side and view high-definition images and videos of magnified diamonds. That means you can study the diamonds in much greater detail and won’t be fooled by engineered lighting (or pressured by pushy salespeople).

Shopping for lab-grown diamonds at Kimaï is a mixed bag. As noted, you cannot decide on the diamond you want and compare between loose diamonds. Therefore, we’ll not analyze the diamond inspection features as typically in our lab-grown diamond jeweler reviews.

Instead, we’ll focus on the shopping experience of buying pre-set diamond jewelry at Kimaï.

Online Shopping at Kimaï’s

Kimaï’s website is straightforward to navigate. It offers excellent high-quality images and often videos of its jewelry pieces. The website feels as premium as their jewelry (and prices).

The lab diamond jewelry categories at Kimaï (engagement rings has its own menu).

Where the shopping experience on the website is lacking is access to information and structuring it. As we noted previously in our Kimaï review, diamond quality is listed in various places and is far from consistent or complete.

Further, the filters are very limited, making it harder to narrow down and search for jewelry. However, since the jewelry selection is limited, it’s less of an issue than sites with many more product options.

The filter options when shopping at Kimaï are lacking, as we have found in our Kimaï review.

Overall, shopping at Kimaï’s site is an enjoyable experience due to its user-friendly interface and beautiful designs. The website is easy to navigate and provides great visuals of the jewelry, making it easier for customers to find what they’re looking for, but better filters would help.

Missing Features

As mentioned, Kimaï does not provide inspection services such as HD images or 360-degree views of diamonds or access to diamond certificates, which can be found with other retailers like James Allen and Ritani. Kimaï also does not offer customization options.

These are all features that other stores provide and which we recommend shoppers use as critical inputs in their buying decisions.

At Kimaï, they keep the website very simple, and you are guided through the diamond-buying process. The options you are presented with, e.g., the diamond you can choose for your engagement ring, are limited. That can be helpful for some shoppers because decision-making is simpler.

But perhaps it’s a little too simple. It reminds us a little of Ada Diamonds, where you only choose the lab diamond quality “standard” or “premium”. As you can read in our Ada Diamonds review, this can be great if you trust the jeweler to pick the best diamonds. Ada Diamonds generally do this, so we recommend them as a white glove service, but one that comes at a high cost.

Let’s continue our Kimaï review by learning if their service is indeed a white-glove service similar to that of Ada Diamonds.

Customer service and support

The customer service and support at Kimaï is good. It’s very friendly and reasonably knowledgeable, though you do have to pry some answers from them (as you will experience most places). Prompted for answers such as the minimum cut grades or diamond grading institutes used, you’ll have to ask a few times before you get a complete answer.

And of prompt. Kimaï does not have the most responsive customer service. This is partly explained by Kimaï being a UK/Belgian company based in Europe, partly because they are a smaller jeweler, and probably also because they are geared more towards store hours. We suspect their customer service perhaps works out of their London shop.

So don’t expect a reply during late hours, weekends, or holidays. We tested the response times and compared them with one of our best-rated lab jewelers, Clean Origin. We purposefully sent a message (email) during off hours to test the response times. Kimaï took four days. Clean Origin responded the next morning.

Errors on Kimaï Website

Contacting Kimaï customer service is also a little more challenging than expected. They do not have a live chat feature, but they do have a WhatsApp link. However, that link and number do not work. We tried through Facebook but never received a reply.

In our Kimaï review, we learned that their contact form and WhatsApp link do not work.
The contact form and WhatsApp link do not work.

The contact form also does not work. We’ve tested it in all major browsers but to no avail. Instead, we used the trusty old medium of email. Which worked, but it took a few days to receive a reply.

Kimaï customer service does a great job guiding you through the purchase process. They’ll help you find a diamond that fits your needs and can even share lab diamond grading certificates, but you have to ask first (similar to Grown Brilliance).

Kimaï is different from our highest-rated jewelers in that, unlike Kimaï, they let you compare thousands of diamonds online. Here, you’re limited to Kimaï’s diamond suggestions. So, in that sense, it is more like Ada Diamonds.

Kimaï also offers private consultations, during which they will guide you through the sometimes complicated diamond-buying process. We recommend trying it but preparing in advance so you know what to ask and understand what you are looking for. For tips, read our engagement ring-buying guide.

Shipping and Return Policy at Kimaï

The last aspects we consider in our Kimaï review are their shipping and return policies.

Kimaï shipping

Shipping costs between $9.99 and $29.99 to the US, depending on the country, regardless of order size. Shipping (carbon neutral) to the US costs $19.99. That is pretty poor, given the high prices at Kimaï, which should allow for free shipping. In fairness, orders are shipping from Europe, but if you pay $2000 for a piece of jewelry, Kimaï should be able to find 1% to fund free shipping.

All orders are shipped with DHL Express from Belgium, which usually takes 1-3 days (internationally).

When reviewing countless other lab diamond jewelers, only the so-called mall jewelers such as Kay, Helzberg, and Zales charge for shipping for all orders. However, these retailers ship domestically in the US. So, it is a little disappointing that you pay for shipping, but it is international, quick, and reliable.

Kimaï Returns and Exchanges

Kimaï has a 5-day return policy, meaning you have five days to return the purchased item. That is by far the most restrictive return policy we have seen. You also have to pay for return shipping costs.

The return policy does not cover rings, which is also very uncommon. It also does not cover custom items, which is expected since customized jewelry pieces usually cannot be resold.

Exchanges are possible, but again, the policy does not cover rings, and you must pay for shipping.

This return policy is far from the industry standard of 30 days and far from Clean Origin’s gracious 100-day return period. All our recommended lab diamond jewelers offer at least 30 days and free, risk-free returns.

This restrictive policy may be because Kimaï does not stock products, has fewer items, and more frequently retires designs for new ones. That limits their ability to resell the returned items. That said, from a consumer standpoint, usually shopping online, a risk-free return policy is critical. So be very sure before you purchase at Kimaï!

Summary of Kimaï Review – should you buy?

Throughout our Kimaï review, we’ve been both impressed and disappointed. Evaluating Kimaï has turned out to be more challenging than we thought.

Comparing Kimaï to our usual best places to buy lab-grown diamond jewelry does not favor Kimaï. This is primarily because of its high prices but also because of the lack of diamond quality information, inspection options, and possibilities for customizing and picking your lab diamond.

But, perhaps, Kimaï should be seen as the Tiffany or Cartier of lab-grown diamonds. In that regard, the closest lab-grown diamond competitors are Ada or Vrai. Our review of Ada Diamonds noted the high cost and quality of the premium service. We did not experience the same level of service at Kimaï, but the premium experience and brand are similar.

Vrai, perhaps, comes closer. Our Vrai review shows they are similarly celebrity-endorsed, offer unique and stunning designs, and focus on jewelry rather than diamonds. They also are not super transparent with their diamond quality. However, Vrai is generally more reasonably priced. You pay extra for the premium jewelry designs, but not excessively, as we think you might do at Kimaï.

3 diamond jewelers we like better than Kimaï Jewelry

In conclusion, Kimaï Jewelry is of great quality but comes at a high price. While they do not provide the same customization options as Ritani or Grown Brilliance or the shopping experience of James Allen, their designs are unique and gorgeous. Ritani and Clean Origin offer cheaper alternatives, while Brilliant Earth is more sustainable yet affordable.

For those looking for luxurious lab-grown diamond jewelry and gorgeous and unique designs, Kimaï’s could be a great option. So, although they might not be the most budget-friendly option available, if you’re looking for unique designs combined with quality materials and craftsmanship, Kimaï could still be an excellent choice worth considering.

Kimai offers luxurious and unique jewelry designs crafted with high-quality lab-grown diamonds at a higher price than some competitors. Nevertheless, if one desires top-notch craftsmanship and exceptional design features, Kimaï may be worth the extra cost.

Alternatives to Kimaï

Kimaï jewelry and lab-grown diamonds offer excellent design quality and high-quality diamonds backed by IGI certification for larger stones. However, it’s important to note that their prices are higher than other brands like Vrai and Brilliant Earth – a critical factor worth considering. Below, see how we think Kimaï stacks up to our favorite lab-grown diamond retailers.

Vrai vs. Kimai

Vrai is a well-known brand in the lab-grown diamond industry that offers beautiful designs similar to Kimaï’s unique pieces. However, one key difference between these two brands is customization options. Vrai allows customers to select their loose diamonds from an inventory of available stones, while Kimaï does not offer this option. This gives shoppers more control over the final product at Vrai compared to Kimaï. And the prices are lower at Vrai than at Kimaï.

Ritani vs. Kimaï

Ritani, a reputable fine jewelry retailer known for its engagement rings and wedding bands, also offers lab-grown diamonds at lower prices than those found at Kimaï without compromising quality or design aesthetics. So, if you’re looking to save without compromising on quality and design, Ritani is much better than Kimaï.

Clean Origin vs. Kimaï

Another competitor in the market is Clean Origin. They specialize in providing ethical and sustainable lab-grown diamonds at competitive prices compared to traditionally mined diamonds and other lab-created alternatives like those offered by Kimaï Jewelry. While Kimaï offers stunning designs and high-quality diamonds, Clean Origin’s lower prices may appeal to those seeking a more affordable option.

James Allen vs. Kimaï

James Allen is an online jewelry retailer that offers an exceptional shopping experience. They offer mined and lab-grown diamonds and customization options, allowing customers to choose their preferred diamond shape, carat weight, color grade, and clarity grade. Compared to Kimaï’s limited selection process, James Allen provides a more comprehensive and user-friendly platform that makes it easier (and cheaper) for shoppers to find the perfect piece of jewelry or loose diamond according to their preferences.

Brilliant Earth vs. Kimaï

Last but not least is Brilliant Earth, another popular brand known for its commitment to sustainability and ethical sourcing in the fine jewelry industry. Brilliant Earth offers lab-grown diamonds at lower prices than Kimaï Jewelry while maintaining similar design quality standards. In addition, Brilliant Earth has gone a step further by using recycled precious metals in its products and packaging, making them an appealing choice for eco-conscious shoppers.

Rolf Hartmann, your lab-grown diamond expert
Kimaï Jewelry review by

Rolf Hartmann

Rolf Hartmann has decades of experience in the jewelry industry. He knows everything you need to know to find the perfect diamond. He’s an expert in lab-grown diamonds and has followed their exciting development from industrial usage to the incredible gemstone quality they are today. Rolf guides you in finding the right diamond at the best possible price and expertly and transparently reviews all lab-grown diamond sellers.

Rolf Hartmann

Your lab-grown diamond expert

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Rolf Hartmann
Rolf Hartmann

Rolf Hartmann has decades of experience in the jewelry industry. He knows everything you need to know to find the perfect diamond. He's an expert in lab-grown diamonds and has followed the exciting development of lab diamonds from industrial usage to the incredible gemstone quality that lab-grown diamonds are today. Rolf guides you to find the right diamond at the best possible price and expertly and transparently reviews all lab-grown diamond sellers.

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