Gain Express JEM-II Diamond Tester with Ultraviolet (UV) Light
By A Mystery Man Writer
Last updated 17 Jul 2024
![Gain Express JEM-II Diamond Tester with Ultraviolet (UV) Light](https://i.ebayimg.com/images/g/mVMAAOSw7~Va8o3p/s-l1200.webp)
This diamond selector remains unresponsive to materials like imitation crystals, or simulants like cubic zirconia, moissanite, and lab-grown diamonds, upon contact with the surface. It is the easiest answer for the vast majority of retail jewelers, pawn brokers, and chain stores when faced with the decision of which diamond selector to buy.
![Gain Express JEM-II Diamond Tester with Ultraviolet (UV) Light](https://www.gainexpress.com/cdn/shop/products/2-gain-express-gainexpress-Diamond-tester-DMT-3-application1_480x480.jpg?v=1622789886)
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