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Fighting Synthetic Diamonds Scam Employs UV Light and Fluorescence

Leah Meirovich writes in Rapaport about synthetic diamond scam in the diamond market and the employment of ultraviolet light emitters / spectrophotometers to detect fluorescence as a marker. Italian gemological lab Gem-Tech has warned the trade that a number of lab-grown diamonds circulating in the country are being sold as natural. Three stones were submitted…

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