Grading

In cases involving fraudulent inscriptions, GIA overwrites the counterfeit inscription (as seen at left) and inscribes the number of the new report issued and the phrase “Laboratory-Grown,” if applicable (pictured at right, obscured for confidentiality). (© GIA)

More Stones with Fraudulent Inscriptions Submitted to GIA

This time, they were either lab-grown diamonds or treated natural diamonds with counterfeit GIA report number inscriptions.

Latest News

February 12, 2020

De Beers Group Industry Services is now the exclusive grader of New York-based RDI’s “Rare and Forever” diamonds.

February 5, 2020

Applications for scholarships can be submitted now through March 31.

January 23, 2020

Ellen Joncheere has a background in the automobile industry and environmental services.

January 21, 2020

The lab is investigating how natural diamonds sealed in its blister packs were swapped out for HPHT-treated diamonds.

January 10, 2020

Through March 1, the price will be 30 percent of the regular fee for diamond grading reports issued in 2018 and 2019.

December 12, 2019

Madelaine Genna is the first recipient of the scholarship, which covers the cost of a Graduate Gemologist diploma from GIA and a Certified Gemologist diploma from AGS.