Diamond Tester Pen, High Accuracy Diamond Tester, Professional Jewelery Selector, Portable LED Audio Jeweler Diamond Gemstone Test Tool for Novice and Expert
How Does a Diamond Tester Work?
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How Do Diamond Testers Work? - Estate Diamond Jewelry
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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【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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