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【Initialization】After powering on, turn the wheel to keep 4 green lights on to finish the Initialization. Otherwise you will get inaccurate results.

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✔【Intuitive Design】Yhkj Diamond Tester Pen comes with LED lights and audio indication. During a test, if the stone tested is a diamond, the LED lights

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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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♦【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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This diamond tester has a highly compact design, which can perform fast, accurate, and safe diamond testing, which is very suitable for carrying with you when buying diamonds. This diamond tester will indicate whether your diamond is genuine or fake. You can quickly and easily understand the diamond data. The LED light and audio indication of this diamond tester test the true and false results of the diamond.

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