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Turn on our Diamond Tester Pen Detector; place the tip of the diamond tester on the gemstone (gentle. Jewelry Diamond Tester,Professional Diamond

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Professional Diamond Selector II, Gem Tester Pen Portable

Diamond Tester Pen, High Accuracy Jewelry Diamond Tester

PUKAYANXUAN Pupuka Diamond Tester Pen, High Accuracy Jewelry Diamond Tester Professional Diamond Selector For Novice And Expert - Pupuka Diamond Tester Pen, High Accuracy Jewelry Diamond Tester Professional Diamond Selector For Novice

[VERY IMPORTANT] Please pay attention to BOTH the sound and the level meter bar when testing. When testing diamond, it will sound Bee-Bee-Bee in a

HMKIS Diamond Tester Pen, High Accuracy Jewelry Diamond Tester＋ 60X Mini LED Magnifying, Professional Diamond Selector for Novice and Expert, Thermal

♦【Intuitive Design】Our diamond tester features an LCD display and LED indicator make it easy to read your precise testing results. ♦【Effortless

High Accuracy Diamond Tester Pen,Professional Jewelry Diamond Tester,Diamond Selector for Novice and Expert, Thermal Conductivity Meter-9V Battery

[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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Diamond Tester Pen, High Accuracy Jewelry Diamond Tester

HMKIS Diamond Tester Pen, High Accuracy Jewelry Diamond Tester＋ 60X Mini LED Magnifying, Professional Diamond Selector for Novice and Expert, Thermal Conductivity Meter : : Industrial & Scientific