Petra Diamonds said it expects to close the sale of its Koffiefontein Mine to Stargems Group before the end of October. The London-listed diamond miner said Monday that it expects to avoid incurring ...
Credit: EgolenaHK/Shutterstock. Rio Tinto has announced the commencement of commercial production at Phase 1 of the A21 underground mine, part of Diavik Diamond Mine operations in the Northwest ...