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Your guide to lab-created diamonds
The best of both worlds, our lab-created diamonds allow you to maximize your budget while getting a big, bold look. Like all KAY diamonds, they’re 100% conflict-free and expertly crafted. There’s a stunning style for every love. Explore our collection to find yours.
What are lab-created diamonds?
Lab-created diamonds (also known as lab-grown or man-made diamonds) are made in a laboratory and are an exceptional mix of master craftsmanship and science—in fact, they have the same optical, chemical, and physical properties as natural diamonds. The core differences are the time they took to form and their origin.
Lab-Created Diamonds vs. Natural Diamonds
Learn more about the differences between lab-created diamonds and natural diamonds, so you can find the diamond option that’s right for you. With over 100 years of experience, we know diamonds. We believe that diamonds are right for everyone, but everyone may have a different idea as to which diamond is right for them. At KAY, our goal is to help you determine the best diamond to meet your needs.
| KAY Diamond Comparison | Natural Diamonds | Lab-Created Diamonds |
|---|---|---|
| Is it a Diamond? | Yes | Yes |
| Primary Chemical Composition | Carbon | Carbon |
| Source | The Earth | A Laboratory |
| Time to Create | 1 to 3 Billion Years | Several Weeks to Months |
| Supply/Rarity | Finite and Rare | Unknown at this time |
| Independently Certified | Yes* | Yes* |
| 100% Conflict-Free | Yes | Yes |
| KAY Responsible Sourcing Commitment | Yes | Yes |
| Likely to maintain long-term value | Historically, yes | Unknown at this time |
| Included in the Lifetime Diamond Commitment | Yes | Yes |
| Eligible for Upgrades | Yes+ | Yes+ |
| Price Comparison (of comparable quality and size) | $$$ | $$ |
*Select styles & carat weights +Natural diamonds can only be traded-in for natural diamonds and lab-created diamonds can only be traded-in for lab-created diamonds. |
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Explore lab-created diamonds by KAY
Why choose lab-created diamonds?
Lab-Created Diamonds FAQs
From how they’re made to quality and value, get answers to your most frequently asked questions about lab-created diamonds here.