Lab also rolling out new comments clarifying impact of fluorescence.
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Move reflects more negative outlook for natural diamonds.
Vote of six to three determines president exceeded his authority, but what this means in terms of refunds and taxes is unknown.
Julie Yoakum, president of Kay and Peoples Jewellers, will serve as chairperson.
Revenue for full year up 19% to $332 million.
Total January shipments down 3.6% from same period in 2025.
Category will be a part of its annual Spectrum accolades.
In 2025, 61% of purchases in this jewelry category were synthetics.
Testing reveals inclusions that match a similar specimen from the institute’s museum.
Richa Singh of the NDC explains the market’s growth.
Market Comment: February 19, 2026