MIUONO Diamond Tester, Professional Diamond Gem Tester Pen with 10x Magnifier and Tweezers for Novice and Expert (Battery Included)

Easily Operated: If the lights move rapidly lighting up as they go, and there is a steady beep, and the lights are greater than or equal to 9. You

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This diamond tester is specially designed for true and false gemstone testing, not only fast and accurate, but also safe, used to distinguish real

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Diamond Tester Pen, High Accuracy Diamond Tester, Professional Jewelery Selector, Portable LED Audio Jeweler Diamond Gemstone Test Tool for Novice and Expert

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💍【Professional Product 】: Designed for quick, precise, and safe diamond testing. Portable electronic device for distinguishing real diamonds from

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