GradingOct 21, 2025
GIA Examines Rare Bicolor Pink DiamondThe stone’s two zones, one pink and one colorless, may have formed at two different times, the lab said.
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6 results for “Science”
Supplier BulletinMay 22, 2025
How to Put Natural Diamonds Back in the SpotlightSponsored by GCAL by Sarine
ColumnistsAug 29, 2023
Squirrel Spotting: Non-Verbal Cues Say So Much Peter Smith mines the psychology of disgust for insight on the messages we communicate through body language.
SourcingApr 26, 2022
De Beers Sinks $2M Into Startup That Grows Kelp Forests It’s an environmental investment that De Beers hopes will help it reach its goal of being carbon neutral by 2030.
SourcingMar 30, 2022
Revamped Gem Halls in the Spotlight on ‘Sunday Morning’ The American Museum of Natural History’s mineral collection got airtime on the most recent episode of the CBS show.
EditorsAug 06, 2018
Going Deep: What the GIA Just Learned About Blue DiamondsThey don’t form in the same layer of the Earth as other diamonds.
