A 102-carat 'perfect' diamond could become the most expensive ever sold to online bidder at Sotheby's
September 10, 2020 at 11:27 AM EDT
The stone, a 102.39-carat D Colour Flawless Oval Diamond, could fetch between $10 million and $30 million. Only seven flawless white diamonds of more than 100 carats have ever been sold at auction.