Gem Diamonds finds seventh largest rock this year at Lesotho mine

Africa-focused Gem Diamonds (LON:GEMD) has found a 202-carat rough diamond at its flagship Letšeng mine in Lesotho, bringing the number of 100-carat-plus stones the company has found this year to seven. The recovery of the D-color, type-IIa diamond, said the company, comes after it...