Four Sales in Two Days at Grogan | Maine Antique Digest maineantiquedigest.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from maineantiquedigest.com Daily Mail and Mail on Sunday newspapers.
The 17.61-carat pear-shaped gem will be the top lot at Christie’s Geneva Magnificent Jewels auction on November 7. Its estimate is $35 million - $50 million.
The 244-lot auction includes pieces from historic French, British, Italian and U.S. jewelry houses such as Cartier, Bulgari, Grima, Tiffany & Co. and Van Cleef & Arpels