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Diamond & Gold Testers Categories
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Diamond Selector II Gold Testing Kits Gem Pen Gemstone Jewelry Tester Tool,Portable Electronic Diamond Tester Pen Jewelr LED light and audio result indication.The red light will be showed and the audio indicator will ring if the stone is reaQUMOX 
QUMOX Diamond Tester II V2 with 60X LED Loupe – Portable Electronic Gemstone Selector Tool for Diamond, Moissanite & Gem Accurate Diamond Identification - Detects real diamonds based on thermal conductivity — instantly distinguishes diamonds
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