Handheld Diamond-Tester Diamond-Test Pen Jeweler Tester Tool LED Tool G5AB

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Digital Tweezers SMDTester Electrical Multimeter Resistance Capacitance Continuity Diode Test Meter G5AB - AliExpress

High Accuracy Diamond Tester Professional Jeweler for Novice and Expert - Diamond Selector II 9V Battery Included

[Fast and safe ]:Professional Diamond Selector II will indicate genuine diamond or fake.It is designed for quick, precise, and safe diamond testing.

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Digital Tweezers SMDTester Electrical Multimeter Resistance Capacitance Continuity Diode Test Meter G5AB - AliExpress