UK - A 507-carat gem discovered in South Africa last month has become most expensive rough diamond ever sold. Hong Kong's Chow Tai Fook Jewellery Company bought the Cullinan Heritage stone for $35.3m, Petra Diamonds announced on Friday. (Story continues below)
Petra recovered the gem, the 19th largest ever found -- described as the size of a chicken's egg, from its Cullinan mine near Pretoria in South Africa in September last year. Petra said that record price reflected the "incredible rarity" of stone based on its "remarkable size" and "exceptional colour and clarity" ... (Continue story) |