This Extremely Rare 10-Carat Blue Diamond Could Fetch $20 Million at Auction
The extremely rare, 10-carat Mediterranean Blue diamond could fetch a whopping $20 million at Sotheby's High Jewelry auction ...
Times Union29d
Botswana, the country with the biggest diamonds, gets an improved 10-year deal with miner De Beers
including a 2,492-carat stone discovered last year that was the second-biggest diamond ever dug out of a mine and the biggest in more than a century. That gem was found by Canadian mining firm Lucara.