Diamond Tester Pen, Professional Jewelry Diamond Tester with 60X Jewelry Loup...

[Jewelers Loupe] The 60X LED Jewelers Loupe with batteries is a versatile tool that can be used for a wide range of applications. [Easy Use] By turning on the Diamond Tester Pen detector, selecting the diamond size, and placing the tip of the tester on the gemstone, users can easily identify whether the stone is a genuine diamond or if it is made of glass, crystal, or cubic zirconia based on the results.

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