A model holds the 1,109 carat “LESEDI LA RONA” diamond May 4, 2016 at Sotheby’s in NewYork. Photo: Don Emmert / AFP
The world’s largest diamond discovered in more than 100 years is to go on display in London this week before it heads for the auction block where it is expected to fetch more than $70 million.
The diamond, named Lesedi la Rona, is three billion years old.