Portable Diamond Tester Selector Gemstone Detector Jewelry Testing

The gems to be tested must be clean, dry, and at room temperature. 1 X Diamond Tester. The red light will be showed and the audio indicator will ring if the stone is real diamond. Highly compact design, which can perform fast, accurate, and safe diamond testing, which is very suitable for carrying with you when buying diamonds.

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Portable High Accuracy Diamond Tester Pen Jewelry Gem Gemstone Selector Led Diamond Indicator Jewelry Test Tool For Jeweler - Jewelry Tools & Equipments - AliExpress

Yosoo Gemstone Diamond Tester,Portable LED Audio Diamond Tester Jewelry Jewelry Gem Gemstone Selector Precision Tool,Gemstone Tester,Diamond Tester

This is a portable electronic device for distinguishing real diamonds from other simulated stones. It is designed for quick, precise, and safe diamond

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