【USA】GIA Takes Steps to Counter Fraudulent Inscriptions on Lab-Grown Diamonds

Editor’s NoteIn response to a rise in fraudulent inscriptions on lab-grown diamonds, the Gemological Institute of America (GIA) is launching a…

【德国】More Bling for Your Money – Lab-Grown Diamonds Are Bigger and on the Rise

Editor’s NoteThis article examines the cultural and economic forces behind the diamond engagement ring, questioning its necessity and highlighting…

【New York, US】Record Figure: The Millions Paid for the World’s Largest Ruby in the United States

Editor’s NoteA record-breaking auction in New York saw two exceptional gemstones—a historic ruby and a rare pink diamond—each fetch nearly $35…

【Democratic R】The History and Price of the World’s Largest Diamond to be Auctioned in December

Editor’s NoteThis article recounts the remarkable discovery of the “Golden Canary,” a 300-carat yellow diamond unearthed by chance in the Democratic…

【Hong Kong; S】A $48 Million Diamond to Go Up for Auction

Editor’s NoteThis article highlights the upcoming auction of “The De Beers Cullinan Blue,” a record-breaking 15.10-carat blue diamond with a…

【Carlsbad, Ca】Gemological Institute of America: A Shining New Method

Editor’s NoteThis article highlights the groundbreaking collaboration between GIA and IBM, which leverages advanced technology to transform diamond…

【Hong Kong】The ‘Most Perfect Pink Diamond’… Auction Estimate Up to 43.6 Billion Won

Editor’s NoteThis article highlights the unveiling of the exceptionally rare ‘Spirit of the Rose’ diamond in Hong Kong. Its presentation at a major…

【Carlsbad, Ca】Enroll in GIA Essentials eLearning Courses at No Charge

Editor’s NoteThis article has been updated to reflect that GIA’s no-charge offer for Essentials classes is now closed due to high demand. UPDATE AS…

【Mumbai, Indi】Leadership Change at GIA India

Editor’s NoteThis press release from March 2020 announced the transition of Nirupa Bhatt from Managing Director of GIA India to an advisory role….