High Accuracy Diamond Tester Pen Professional Gem

✅【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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✔【DIAMOND TESTER】 Jewelry Identification Tool is a diamond selector with accurate and reliable reading, but also a multi-gem tester. Made of quality

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★The kithing diamond Tester Pen is simple to operate to get results. Real Diamond will emit sounds and lights >=9. It is designed for quick, precise,

High Accuracy Diamond Tester Pen Professional Gem Tester for Novice and Expert

Description: How To Test Gem: Turn on the switch. Make sure only 1 light is lighting up on the scale. Wait few seconds for the probe to heat up until Lamp on ready OK Turn on the lights numbers corresponding to the indoor temperature and diamond weight If don't know. Set 4 lights is lighting up on the scale. Start test diamond, no need to adjust the switch switch. Use the diamond discriminator probe to make 90-degree contact with the measured object, and observe the indicator light change.

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