RAPAPORT... Gem Diamonds has unearthed a 134-carat yellow, the second significant colored diamond it has found this year. It discovered the high-quality, type I stone on March 31 at its Let??engmine in Lesotho, the company said Sunday. The last yellow-diamond of that magnitude the miner reported on was a 151.52-carat stone, which it retrieved in June 2017. In March, Gem Diamonds sold a pink stone weighing 13.33 carats to Graff for $8.8 million. The company, which is renowned for the discovery of largediamonds from Let??eng, recovered a white, type IIadiamond from the deposit last week. In 2018,it found a record 15 stones weighing more than 100 carats. Image: The 134-carat yellow. (Gem Diamonds)