Gem Diamonds finds 183-carat rough at Letšeng mine in Lesotho

Africa-focused Gem Diamonds (LON:GEMD) said on Tuesday it had recovered a 183-carat, white, Type IIa diamond from its 70%-owned Letšeng mine in Lesotho. Alongside the “exceptional” stone, the company found two other large, high-quality diamonds weighing 89 and 70 carats, respectively. Since...