Largest uncut diamond set for auction

The world’s largest uncut diamond is expected to be sold for more than £52m in an unprecedented auction in London. The Lesedi la Rona, almost the size of a tennis ball, was unearthed in Botswana in November. The rough diamond is 1,109 carats and believed to be more than 2.5 billion years old.The Lesedi la Rona, which means ‘our light’ in the Tswana language spoken in Botswana, was discovered by Lucara Diamond Corp’s Karowe mine.