Giant uncut diamond fails to sell at auction
Vancouver company's 1,109-carat diamond fails to sell at auction
709-carat rough diamond to bring peace dividend to Sierra Leone
Rare Blue Diamond Could Fetch $48 M. at Sotheby's Auction –
A Giant 242-Carat Diamond Discovered Russia Could Fetch $2M at Auction – Robb Report
World's largest uncut diamond fails to sell at auction - Arabian Business
World's most expensive rough diamond acquired
Largest uncut diamond in recent history found in Botswana mine
Brexit blamed for world's largest uncut diamond failing to sell at London auction