Gem Diamonds has unearthed two big diamonds, weighing 245 carats and 102 carats, at its Lesotho-based Letšeng mine – and on the same day, IDEX Online reports. Both stones are high-quality Type II gems.   Credit: Gem Diamonds   In May, Gem Diamonds unearthed two high quality stones from the

Namdeb Diamond Corporation, a 50:50 joint venture between De Beers Group and the government of Namibia, has introduced a new long-term business plan that will extend the current life-of-mine (LoM) of its land-based operations by 20 years to 2042.   Credit: Free Wind 2014 / Shutterstock.com   According to Mining