World's second biggest diamond sells for â¹346 crore
World's second-biggest diamond, a 1,109-carat stone unearthed by Canada's Lucara Diamond Corp, has been sold for $53 million (â¹346 crore) to luxury jeweller Graff Diamonds. It was mined at Lucara's Karowe mine in Botswana in November 2015 and is said to be 2.5-3 billion years old. It was named Lesedi La Rona which means "Our Light" in Botswana's national language.