"Lesedi la Rona", the world's largest gem-quality rough diamond discovered in more than 100 years, fails to sell at auction in London.<br /><br />The 1,109-carat diamond, was uncovered last November in Botswana by Canadian mining company Lucara Diamond Corp, and had been expected to fetch more than $70 million (USD).<br /><br />The diamond drew a bid of $61 million at the Sotheby's auction in London, but fell short of the reserve price.<br /><br />The gem, whose name translates as "Our Light" in Botswana's Tswana language, is believed to be between 2.5 billion to more than three billion years old.<br /><br />----------------------------------------------------------------------------<br />Subscribe to our channel: http://read.ht/fLZ<br /><br />Follow us on Twitter: https://twitter.com/htTweets<br /><br />Like us on Facebook: https://www.facebook.com/hindustantimes<br /><br />Watch more videos at: http://www.hindustantimes.com/video<br /><br />hindustantimes.com © 2016
