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Gemesis produces world's largest lab-created diamond

Kerry Hall | April 25, 2013 | 4:17 am Diamond 

US-based Gemesis Diamond Co. announced Tuesday it produced the largest, whitest lab-created diamond in the world. The emerald-cut gemstone weighs 1.29 carats with E color and VVS2 clarity. It is classified as the purest type IIa, according to the International Gemological Institute,...

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