Biggest diamond in a century sells for $53m weighing in at 1,109-carat
Graff Diamonds buys the world's second-biggest recorded diamond for $47,777 a carat Lucara Diamond finally sold the biggest diamond found in more than a century. The 1,109-carat Lesedi La Rona diamond was sold for $53m (£39m), or $47,777 (£35,374) a carat, to Graff Diamonds,…