Professional Diamond Tester Pen - Jewelry Testing Kit for Real and Fake Diamonds

Shop the best Diamond Tester Professional Pen Tool on Ubuy UK. Test the authenticity of your diamond jewelry with this reliable gemstone checker tool.

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

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【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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