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GIA Spots CVD Stone in Parcel of Treated Melee
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In a rare case, the Gemological Institute of America (GIA)has discovered an irradiated chemical vapor deposition (CVD) diamond in a batch of natural melee aclient had submitted for testing. The GIA’s Tokyo laboratory found the 0.007-carat, irradiatedgreen-blue...
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Polished Markets
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Feb 10, 2019
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Rapaport News
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