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Chinese Grading Lab 150 120617
Lab Spots Stone with CVD Coating
A Chinese gemological laboratory has identified a well-concealed synthetic-diamond coating that bolstered the size of a small natural stone.
News Dec 07, 2017 Rapaport News
GIA synthetic inscription forgery
GIA Finds Synthetic Diamond with Forged Inscription
Fraudsters forged a Gemological Institute of America (GIA) inscription on a synthetic diamond to make it appear that the stone was
News Nov 13, 2017 Rapaport News
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