In a span of one week, Gem Diamond unearths two, high-quality type II white diamonds from its Letšeng mine in Lesotho. On 10th May, it announced the recovery of a high quality 370 carat Type II, white diamond, the highest dollar per carat kimberlite diamond mine in the world.On 4th May, Gem Diamonds announced the recovery of a high quality 254 carat Type II. Since January this year, the miner has unearthed three top quality 100+ ct diamonds.