It will use the same color and clarity grading scales that are used for natural diamonds but add a special designation.
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More and more companies sell lab-grown diamonds, forcing jewelers to decide: Should I carry them, or not?
From pearl treatments to composite gemstones, Tiffany Stevens and Sara Yood of the Jewelers Vigilance Committee shared tips on how to comply with the revised Jewelry Guides.

Our Editor-in-Chief Michelle Graff offers a refresher following the Federal Trade Commission’s distribution of eight warning letters regarding advertisements for lab-grown diamond jewelry or diamond simulants.
Eleven lab-grown diamond suppliers are taking part in sourcing and trading app Virtual Diamond Boutique, with more than 4,800 stones currently available.

It is monumental, though not entirely shocking, jewelry industry news.

Taking action to ensure it accurately differentiates between lab-grown diamonds and their mined counterparts is the biggest challenge the industry faces.

The GIA’s Tom Moses explains the reasoning behind the more general color and clarity grades the lab assigns to synthetic stones.
Following the appointment of a new CEO, lab-grown diamond company Gemesis Inc. has announced that it is rebranding itself as “Pure Grown Diamonds.”