Day: July 21, 2016

Why have so many huge diamonds been found recently?

BBC NEWS – Africa |  June 30, 2016 The huge rough diamond that went on sale at auction on Wednesday was one of three big diamonds found recently after a break of more than a century. The BBC’s Clare Spencer asks why. On 16 November 2015 Tiroyaone Mathaba was sorting through rocks at the Karowe mine in