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Chinese Lab Finds Hard-To-Detect CVD Synthetic
Beijing: Since 2012, CVD synthetic diamonds have been tested and identified by National Gemstone Testing Center (NGTC) in Beijing, typically in sizes above 0.20 ct.
Beijing: Since 2012, CVD synthetic diamonds have been tested and identified by National Gemstone Testing Center (NGTC) in Beijing, typically in sizes above 0.20 ct.
Mumbai: India’s Gem & Jewellery Export Promotion Council (GJEPC) has called upon all industry stakeholders to develop a co-ordinated approach against the undisclosed mixing of
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