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Are you looking to save on lab-created diamonds? Then you have come to the right place. We find and list the best lab-grown diamond sales, deals, discounts, and promos – all in one place. Find incredible deals and sales on stunning lab-grown diamonds from the best lab-grown diamond jewelers in the US.
LabGrownCarats is the leading U.S. website dedicated to lab-grown diamonds. With years of expertise, we offer detailed guides to help you find the best diamonds and have carefully curated top diamond sales and discounts so you get the best possible price.
The Best Deals and Discounts Right Now
Our handpicked deals make it easy to find the perfect diamond for any occasion, whether for an engagement, celebration, or personal indulgence. See the best deals for December 2025 just below, or scroll down to find all the best lab diamond sales, deals, promos, and discounts!
| Jeweler | Diamond Deals | Promo Link |
|---|---|---|
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| Save 20% |
Why Pick a Lab-Grown Diamond Deal?
With lab-grown diamonds, you can have elegance and ethics and save 60-80% compared to mined diamonds of the same quality. And lab-created diamonds are better for the environment and society.
But did you know you can save even more on lab-created diamonds?
Many jewelers run sales and occasionally offer special deals and discounts. To help you save even more, we monitor the best lab-grown diamond sales, deals, and discounts.
So, get a real diamond and save! The listed limited-time offers allow you to shine brighter without breaking the bank. Discover the best lab-grown diamond and jewelry discounts and promotions here. We list all ongoing sales and deals from the best places to buy lab-grown diamonds and diamond jewelry.
You are already getting a fantastic deal because our price analysis shows that lab-grown diamonds are at least 60% less expensive than mined diamonds. However, sometimes lab-grown diamond jewelers run sales, and you can save even more. We continually update our sales list, so be sure to check our overview of the best lab-grown diamond sales and subscribe to our deal alert email newsletter.
All Lab-Grown Diamond Sales, Deals, and Discounts
Below is the list of current lab-created diamond sales, deals, promos, and discounts. You can find diamond savings, promos with free gifts, or money off your purchase. We also list lab diamond ring discounts, offers, and promo codes. Note that sometimes deals include the jewelry setting only, not the actual diamond. However, saving on the setting is also a significant cost saver.
Ritani Sales
Ritani offers some of the very best prices on lab-grown diamonds and jewelry on the market and is one of our top-rated places to buy lab-created diamonds.
Ritani already features some of the lowest prices available, so if you can snag a discount, you will get a phenomenal deal!
Current lab-grown diamond sales, deals, and discounts at Ritani:
Grown Brilliance Promos
Grown Brilliance is our highest-rated best place to buy lab-created diamond engagement rings. We especially like Grown Brilliance’s unique designs and collaborations, advanced ring design tool, and excellent customer support. And their low lab diamond prices! Learn more in our Grown Brilliance review.
Current diamond deals at Grown Brilliance:
James Allen Sales
James Allen is among our highest recommended lab-created diamond jewelers and has received our top rating in our detailed James Allen review. James Allen already has some of the best prices, but if you’re lucky (and quick), you might get an additional discount during one of their diamond sales.
Current lab-grown diamond savings at James Allen:
Blue Nile Sales
Blue Nile is one of the most prominent jewelers online. While they specialize in mined diamonds, they have just started selling lab-grown diamonds in addition to the Lightbox Jewelry lab-grown diamond brand from DeBeers (read our Lightbox Jewelry review).
We highly recommend buying diamonds and diamond jewelry at Blue Nile due to their low prices, incredibly friendly customer service, excellent buying experience, and massive selection of high-quality diamonds and jewelry. Read our Blue Nile review to learn more.
Current lab-grown diamond deals at Blue Nile:
Brilliant Earth Promos
Brilliant Earth is one of the most established brands in the industry. It is renowned for its dedication to positive environmental and societal impact.
In addition, Brilliant Earth offers an extensive selection of low-priced, high-quality lab-created diamonds and jewelry.
Current lab-grown diamond promos at Brilliant Earth:
With Clarity Sales
With Clarity is one of our favorite jewelers and the best place to buy a lab-created diamond engagement ring. So, if you’re looking for a lab-grown diamond engagement ring, With Clarity is the place for you! Learn why in our With Clarity review.
With Clarity’s prices are incredibly competitive, but they do have occasional sales during which you can save even more.
Current lab-grown diamond discounts at With Clarity:
GemsNY Sales
GemsNY offers great prices and an extensive, high-quality inventory of lab diamonds. Our in-depth review has rated GemsNY as one of the better places to buy lab-grown diamonds and jewelry.
Even with some of the best prices available anywhere, GemsNY does run sales and offers great discounts, but you have to be quick to snatch them up.
Current diamond sales and discounts at GemsNY:
Helzberg Diamonds Sales
To be honest, we weren’t impressed by Helzberg in our Helzberg Diamonds review, but if you buy during a sale, you might be able to offset their high prices and find a good deal.
Current diamond sales and discounts at Helzberg Diamonds:
Pandora Jewelry Discounts
Pandora has launched its lab-grown diamond collection in the US, now available globally. Pandora’s lab-created diamonds offer some of the most environmentally and climate-friendly diamonds on the market, and the jewelry prices are attractive. Learn more in our review of Pandora.
Current sales at Pandora Jewelry:
Kay Jewelers Valentine’s Day Deals
We awarded Kay Jewelers a dismal rating. But, if you are going to pay too much for diamond jewelry, at least you can save a little. Take advantage of their sale and see current offers and deals at Kay Jewelers below:
Current Kay Jewelers promos:
More sales, deals, and discounts on lab-grown diamonds and diamond jewelry
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