Lucara digs up 470-carat diamond at Karowe

The 470 carat top light brown cleavage diamond. (Image courtesy of Lucara Diamond.) Canada’s Lucara Diamond (TSX:LUC) has unearthed yet another massive gem-quality rock at its prolific Karowe mine in Botswana. The 470-carat top light brown cleavage diamond measures 49x42x26mm and it’s Lucara’s third diamond...