1.5 Carat Lab-Grown Diamond Prices—How Much Are They In 2024?

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Diamond prices vary greatly depending on the stone’s quality and where you purchase it. For instance, a 1.5-carat lab-grown diamond can range in price from as low as $600 to as high as $3000, depending on the lab diamond’s 4Cs (carat weight, cut, color, and clarity). On average, in May 2024, a premium 1.5-carat brilliant-cut round diamond, one of the most popular carats and cuts, costs around $1150.

How much does a 1.5-carat lab-grown diamond cost?

In May 2024, an excellent quality 1.5-carat lab-grown diamond costs around $1100-1300, which is up to 87% less than a mined stone! Prices can range from $600 to $2500, depending on the quality.

To help you see where you can find the best and cheapest lab-grown diamonds, we have compiled prices from six of the most affordable jewelers. Our lab diamond price comparison includes both round brilliant and fancy-shaped diamonds.

But purchasing a diamond is a significant investment, and knowing where to find the best value for your money is crucial. We have created several lab diamond guides to assist our readers in making informed decisions.

We recommend starting with our popular articles below:

3 of the cheapest places to buy a 1.5-carat lab-grown diamond

What you should know about buying a lab-grown diamond

Before diving into the cost of lab-grown diamonds, it’s essential to understand their 4Cs: the diamond cut, clarity, color, and carat weight. We have created an easy-to-read guide called “Intro to Lab-Grown Diamonds: The Diamond 4Cs” that we recommend reading first. However, you can skip ahead if you’re short on time or just interested in the diamond prices.

In summary, the diamond 4Cs are crucial in determining a diamond’s quality. Diamond cut is especially important as it affects the diamond’s sparkle, also known as brilliance or fire. Always aim for the best possible diamond cut grade, even sacrificing size. Remember, size comes second to brilliance. No one wants a large but dull diamond.

In addition to cut, consider color, clarity, and carat weight when assessing a diamond’s quality. Opt for the best cut first, followed by color and clarity grades, with carat weight being the last consideration.

One money-saving tip is to choose a diamond just below popular (“round”) weights. For example, selecting a 1.43-carat diamond instead of a 1.5-carat diamond can sometimes save you money, and the difference is usually not noticeable to the naked eye.

How We Researched Lab-Grown Diamond Prices

To provide you with an estimate of the price of a 1.5-carat lab-grown diamond, we have gathered prices from the most reputable and best online jewelers in 2024.

To compare prices, we use a reference diamond. The diamonds we include in our price comparison are diamonds with quality grades (the diamond 4Cs) below. These are some of the most popular and typical grades for a 1.5-carat stone. First, we look for round-brilliant lab diamonds, and later, we’ll compare fancy-shaped diamond prices.

Our reference diamond is not necessarily the best for you, but it indicates how to prioritize between the lab diamond 4Cs. You may want to consider a slightly better color grade, especially if not set in gold, but very often, at least an I color grade will suffice, as long as the diamond is not clearly yellow-tinted.

May 2024 1.5-Carat Lab-Grown Diamond Prices

Here are the prices for a 1.5-carat lab-grown diamond from our recommended jewelers. These retailers have an extensive inventory of high-quality diamonds, provide exceptional shopping experiences, and offer excellent customer service. Moreover, they offer the best prices for lab-grown diamonds, making them the perfect place for your diamond purchase.

Lab diamond jeweler1.5-carat lab diamond prices
Grown Brilliance$850-1105
Clean Origin$847-1421
With Clarity$1000-2028
James Allen$1650-2040
Brilliant Earth$1510- 2350*
Prices for 1.5-carat lab diamonds collected during May 2024.

Prices are accurate when writing in 2024.
*Includes 100% sustainable diamonds.

Fancy-Shaped Lab Diamond Prices

Lab-grown diamonds offer various shapes and sizes beyond the popular brilliant-cut round diamond. These other shapes are commonly referred to as fancy shapes or fancy cuts. Our comprehensive guide to lab-grown diamond shapes highlights each shape’s unique beauty, advantages, and disadvantages.

It’s important to note that some fancy-shaped diamonds, such as heart-shaped diamonds, may be more expensive than round brilliants. In contrast, others, such as emerald-cut diamonds, can be more affordable.

How We Compared Fancy-Shaped Lab Diamond Prices

To help you compare prices, we have gathered the average costs of fancy-shaped lab-grown diamonds from the same top-rated diamond jewelers.

However, it’s worth mentioning that fancy-shaped diamonds are graded slightly differently, and cut grading is not as strict as with round brilliants. Therefore, we have adjusted the price ranges below, considering factors such as cut grade, which may include very good, a grade we would not accept for round brilliant cuts.

May 2024 Fancy-Shaped 1.5-Carat Lab-Grown Diamond Prices

All prices below are from prices and go higher, but they indicate the price range. All of the diamonds referenced have the minimum specifications mentioned above.

Prices are accurate when writing in 2024.
*Cut grade fancy
**Higher than minimum grades

Why Choose Lab-Grown Diamonds?

Lab-grown diamonds offer a significant cost advantage, with prices up to 60-80% lower compared to mined diamonds of the same 4C grades. And during lab diamond sales, you may be able to save even more. We constantly monitor and stay updated on promotions and sales offered by diamond retailers. So, sign up below to receive alerts on new deals and special offers for lab-grown diamonds so you can make the most of your diamond purchasing decision.

In addition to their lower prices, lab-grown diamonds boast environmental and social benefits compared to mined diamonds. To delve deeper into these advantages, we recommend checking out the following articles:

Prices for Sustainable Lab Diamonds

Lab-grown diamonds are an excellent choice for ethical and sustainable diamond options. Opt for lab-grown diamonds made with renewable energy, set in recycled metal, and packaged in sustainable materials to maximize sustainability. Remember that 100% sustainable lab diamonds typically cost 30-40% more than other lab-grown diamonds.

If you’re looking for a reliable place to purchase sustainable and zero-emission lab-grown diamonds, Brilliant Earth is a top contender (read our review of Brilliant Earth). Another option worth considering is Vrai, although after comparing Brilliant Earth vs. Vrai, we find Brilliant Earth offers a superior selection of sustainable diamonds (see our review of Vrai). Pandora is also making efforts towards sustainability, as highlighted in our Pandora Brilliance review. However, they may not be on par with Vrai or Brilliant Earth regarding environmental commitment (or quality).

Three 1.5-Carat Lab Diamond Ring Examples

When seeking a jewelry set featuring a 1.5-carat lab-grown diamond, there are many styles to choose from. Take a look at these stunning examples of rings that showcase the beauty of 1.5-carat stones. From timeless classics to contemporary engagement ring settings, a diamond of this size complements various jewelry pieces, including engagement rings, anniversary rings, and lab diamond earrings.

Where to Buy Lab-Grown Diamonds and Jewelry

At LabGrownCarats.com, we review lab-grown diamond sellers and jewelers to help you find the best places to buy lab diamonds and jewelry. We also compare the best lab diamond jewelers in our lab diamond jeweler comparisons.

3 of our favorite places to buy lab-grown diamonds

Compare Prices of Other Lab-Grown Diamond-Carat Weights

We compile and list prices for the most popular lab-grown diamond carat weights. Compare the prices for 1.5-carat lab-grown diamonds with the below-carat weights.

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Klaus T
Klaus T

At LabGrownCarats.com, Klaus is responsible for everything related to diamond analysis and valuations, the financial aspects of diamond buying, and the impact of diamond mining vs. creating diamonds in the laboratory.

Klaus possesses a profound interest and expertise in diamonds, particularly lab-grown diamonds, and has worked with diamond and lab diamond analysis and valuation for many years. Klaus is an expert in diamond prices and valuation, the investment side of diamonds, and the economic development impact of diamond mining.

Klaus is an ex-diplomat, economic development expert, ex-Googler, and start-up founder. He has 15+ years of expertise in economic development, trade, and resource extraction, and he has worked with the impact of mining on societies and the environment. He is an expert on how resources, such as gold and diamonds and diamond mining, impact communities and exporting countries, and he has worked with the UN, the World Bank, the African Union, the African Development Bank, etc. Klaus later shifted focus to work with data analysis, marketing technology, measurement, and analytics, including 7+ years at Google.

Please contact Klaus if you are looking for data and analysis related to lab-grown diamonds or if you have questions about the economic impact of diamond mining and the shift to creating diamonds in the laboratory.

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