Tag Archives: diamond testing

GIA suspends diamond sealing services amid fraud fears

February 3, 2020

Faced with potential packet tampering, the Gemological Institute of America (GIA) has suspended diamond sealing services.

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DPA and Signet test lab-grown diamond detectors

March 11, 2019

The Diamond Producers Association (DPA) and Signet Jewelers have jointly launched Assure, an independent program to measure the performance of lab-grown diamond detectors.

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IIDGR unveils new automated melee screening instrument

February 28, 2017

The International Institute of Diamond Grading & Research (IIDGR) will unveil its cutting edge automated diamond screen device at this week’s International Diamond, Gem & Pearl show in Hong Kong.

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