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[…]
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 Reintroduces Paper Certs after Backlash
The move to digital-only Diamond Dossiers, for stones up to 1.99-cts, provoked widespread criticism from retailers, who[…]
Diamond Trade Pressures GIA to Rethink Digital Dossiers
Diamond dealers and manufacturers have complained to the Gemological Institute of America (GIA) about its new paperless[…]
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[…]
Belgian Lab Detects Diamond with Fake Inscription
HRD Antwerp recently discovered a fake inscription on a polished diamond the lab had received for grading.[…]
GIA Sees Spike in Synthetics Fraud
The Gemological Institute of America (GIA) has seen a rise in submissions of lab-grown diamonds with counterfeit[…]