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

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

【Complete Initialization Settings】 After powering on, turn the wheel so that the 4 green lights are always on to complete the initialization.

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Professional Diamond Selector II will show real diamonds or fakes,Use the big/small switch to test diamonds,Makes an audible sound to easily distinguish readings. Easy to use:Real diamonds make sounds and lights = 9. Fake crystal, such as cubic zirconia (CZ), crystal, glass will not emit sound and light 9.

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