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Large lab-grown diamond deception revealed Posted June 18, 2021 | By Arabella Roden • Editor The International Gemological Institute (IGI) has determined that a 6.18-carat round brilliant cut diamond, which had been submitted for grading as natural, was lab-created. The loose stone was analysed at IGI’s Bangkok laboratory, and was accompanied by a report from the Gemological Institute of America (GIA) stating it was a natural diamond. This is the largest lab-grown diamond ever certified by a leading gemological laboratory, where the sole purpose was to pass off a lab-grown stone as natural Bob Van Es, International Gemological Institute Bob Van Es, managing director IGI Thailand & Hong Kong, said, “This is the largest lab-grown diamond ever certified by a leading gemological laboratory, where the sole purpose was to pass off a lab-grown stone as natural.

Krung thep mahanakhonUnited statesHong kongArabella rodenRoland lorieInternational gemological instituteGemological institute of americaGemological instituteInternational gemologicalNorth americaMiddle eastLab created diamondLab createdLab grown diamondsInternational gemological instituteRoland lorie