Sixty-seven diamonds ranging from just under 1 carat to more than 100 carats will be known forever as the legacy of Lesedi La Rona, the 1,109-carat gem-quality rough diamond that was discovered at the Lucara Karowe mine in Botswana in 2015. When billionaire diamantaire Laurence Graff purchased the rough stone for $53 million in 2017, […]