The very first and unique handheld Diamond Multi-Tester uses a special UV LED with fiber optic technology. Designed to identify Natural Diamond, CVD/HPHT, all types of Moissanite, various shapes and carat weights from to 10 ct. for polished diamonds colorless to faint (D–M), loose diamonds, or mounted stones. Notes: Smartpro Business Partners, Distributors, and Dealers have hereby directed not to sell Optimum-I in the USA from FEB 2022 by order. The promotion or advertising of Optimum-I is also prohibited in the USA by order. Any such activities, if found must report to SmartPro Instrument Co., Ltd. to restrict further sales in the USA. Visit to Know More: Website: Instagram: Facebook: #smartproinstrument #diamondtools #diamondtester #engraver #cvdtester #quality
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