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Roberto Coin black jade
Roberto Coin Jade Line Pulled from Macy’s
Macy’s has removed a collection of Roberto Coin black-jade jewelry from its shelves following allegations the line
News Dec 31, 2018 Leah Meirovich
IIDGR
De Beers Grading Unit Launches Courses in China
The International Institute of Diamond Grading and Research (IIDGR) will launch a series of educational courses in China through
News Sep 13, 2018 Rapaport News
China synthetic diamond 150
Lab Finds 3ct. Synthetic with Fake Report
A grading laboratory in China has discovered a synthetic diamond masquerading as a natural stone, complete with a forged inscription and
News Apr 15, 2018 Joshua Freedman
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
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