Russian firm creates 5-carat synthetic diamond
A Russian laboratory-grown diamond manufacturer, New Diamond Technology, is claiming it has produced a 5.11-carat diamond, the largest man-made, polished, near-colourless stone ever produced.
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SubscribeA Russian laboratory-grown diamond manufacturer, New Diamond Technology, is claiming it has produced a 5.11-carat diamond, the largest man-made, polished, near-colourless stone ever produced.