![Image Courtesy of Donald Bowers/Getty Images for Sotheby's/Associated Press](https://www.kindersleysocial.ca/webarchive/wp-content/uploads/2016/05/huge-diamond2-1.jpg)
By The Associated Press, May 4, 2016
Rock unearthed in Botswana mine owned by Canada’s Lucara Diamond Corporation
It’s a rock for the ages.
A three-billion-year-old diamond the size of a tennis ball — the largest discovered in over a century — could sell for close to $90 million Cdn, auctioneer Sotheby’s said Wednesday.