RAPAPORT... Gem Diamonds has recovered a 179-carat rough diamond from its Let??eng mine in Lesotho.The miner found the high-quality, type I diamond on Thanksgiving Day, it said last week. The stone is the 16th diamond over 100 carats the company has found this year. Earlier this month, Gem Diamonds unearthed 104- and 111-carat specimens from the deposit.The company has already found more diamonds over 100 carats this year than in 2019, when it reported 11 rough diamonds of that magnitude.Let??eng also yielded a 14.09-carat, pink, type II diamond of high quality last week.Image: The 179-carat rough diamond. (Gem Diamonds)