GIA Examines a Remarkable Colour-Treated Purple Diamond
The Gemological Institute of America (GIA) has examined a fascinating 3.93-carat Type Ib purple diamond that had[…]
HPHT-Processed Natural and Laboratory-Grown Diamonds with Counterfeit Inscriptions
Recently, the Dubai laboratory encountered four stones submitted for update services inscribed with fraudulent GIA report numbers.[…]
GIA Moves to Redefine Lab-Grown Diamond Grading, Signaling Clearer Divide from Natural Diamonds
GIA Moves to Redefine Lab-Grown Diamond Grading
Downturn Forces GIA to Close Israel Lab
GIA is to close its lab in Ramat Gan, Israel, saying it is no longer “financially sustainable”.[…]
GIA Launches The Digital Diamond Dossier
The start of 2023 marks a significant milestone in the digital transformation of the global diamond industry[…]
AGS Laboratories to Integrate with GIA
The American Gem Society (AGS) will close its laboratory operations at the end of this year, with[…]
GIA Launches Diamond Origin Service
The Gemological Institute of America (GIA) has begun accepting submissions for a new service providing consumers with[…]
GIA Sees Spike in Synthetics Fraud
The Gemological Institute of America (GIA) has seen a rise in submissions of lab-grown diamonds with counterfeit[…]