African miner digs up 442-carat diamond
African miner Gem Diamonds said it has unearthed a 442-carat diamond at its Letseng mine in Lesotho. Bloomberg 23 August 2020 A small diamond miner that has dug up some of the world’s most valuable gems from a mountainous African kingdom has found another huge stone. Gem Diamonds said it unearthed a 442-carat diamond at […]