Gem Diamonds has recovered a diamond weighing 123.5 carats, its third white stone over 100 carats this year, and its second this month.
It found the high-quality, type II stone at its Letšeng mine in Lesotho on July 20, the company said Tuesday. The miner also unearthed a 140-carat white diamond from the deposit on July 6, and a 161-carat stone in March.
In total, the company has retrieved five stones weighing more than 100 carats this year. It found a 134-carat stone in March, and another weighing 135 carats last month. Last year, Gem Diamonds recovered a total of 15 high-quality rough diamonds over 100 carats.