Features: , 1.Easy to use even for a new beginner , 2.Emit audible sounds to give accurate reading , 3.Diamond indicator will be showed if the stone
MIUONO Diamond Tester, Professional Diamond Gem Tester Pen with
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MIUONO Diamond Tester, Professional Diamond Gem Tester Pen with
This diamond tester is specially designed for true and false gemstone testing, not only fast and accurate, but also safe, used to distinguish real
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