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Rio Tinto’s Rare Coloured Diamonds Showcased
Hong Kong: Rio Tinto’s spectacular 2016 Argyle Pink Diamonds Tender is being showcased in Hong Kong against the backdrop of the annual Hong Kong Watch
14 September 2016
Hong Kong: Rio Tinto’s spectacular 2016 Argyle Pink Diamonds Tender is being showcased in Hong Kong against the backdrop of the annual Hong Kong Watch
Moscow: Russian company New Diamond Technology (NDT) announced it has produced a new blue diamond that it calls the world’s largest lab-grown blue diamond, more