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Model: JEM-II     Country of Origin: Made In China     Product Description: The diamond tester utilizes the feature that diamond has very high thermal conductivity. It can effectively and quickly distinguish natural diam...

Country of Origin: Made In China     Product Description: Diamond/Moissanite Dual Mode Tester (DIAMOND COALITION TESTER)   •Distinguish diamond, Moissanite and CZ quickly.  •Simple on-off switch, no tricky ad...