GIA

【Tokyo, Japan】Information | The Onslaught of Synthetic Diamonds, Research Institutions Respond Strategically

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Editor’s NoteThis article discusses HPHT (High Pressure High Temperature) treatment, a process used to enhance the color grade of natural diamonds….

The AI Revolution Comes to Diamond Grading

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Editor’s NoteThe diamond industry is undergoing a quiet revolution as artificial intelligence and automation increasingly take over grading tasks…

The GIA Diamond Origin Report: Diamond Traceability Based on Science

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Editor’s NoteThis analysis highlights the growing consumer demand for ethical sourcing and how scientific certification, like the GIA Diamond Origin…

【Hong Kong】World’s Largest ‘Blue Diamond’ Fetches a Staggering Price at Auction

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Editor’s NoteThis article reports on the record-breaking auction sale of the world’s largest blue diamond for approximately $57.5 million. The…

【Hong Kong】World’s Largest ‘15.10 Carat’ Blue Diamond Fetches a Staggering… 73.2 Billion Won at Auction

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Editor’s NoteThis article reports on the record-breaking auction of the 15.10-carat ‘De Beers Cullinan Blue,’ the largest blue diamond ever offered…

【Antwerp, Bel】CVD Laboratory-Grown Diamond with Counterfeit GIA Inscription

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Editor’s NoteThis article highlights a concerning trend of fraudulent submissions involving lab-grown diamonds with counterfeit GIA inscriptions. It…

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

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

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

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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…