Beau Sancy Beau Sancy The Beau Sancy is a modified "pear double rose cut" diamond found in India that has been owned by a number of European royal houses. In May 2012, it was sold at Sotheby's auction in Geneva for $9.57 million. The original estimated price of $2 million was lifted five times during the eight-minute battle between five buyers, before the diamond was sold to one of them who remained anonymous. The Beau Sancy diamond takes its name from Nicolas de Harlay, Lord of Sancy, who brought the diamond to France from India where he had been the French ambassador.
Sequential auction of the results are valid also when participants have budget constraints. Sequential auction A sequential auction is an auction in which several items are sold, one after the other, to the same group of potential buyers. In a "sequential first-price auction" (SAFP), each individual item is sold using a first price auction, while in a "sequential second-price auction" (SASP), each individual item is sold using a second price auction. A sequential auction differs from a combinatorial auction, in which many items are auctioned simultaneously and the agents can bid on bundles of items. A sequential auction is much simpler to