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.
Chastreix-Sancy on and between the Puy de Chabane and Mont Redon, on the west side of the Puy de Sancy, which is part of an ancient stratovolcano which has been dormant for 220,000 years. It is within the Parc naturel régional des volcans d'Auvergne and the commune of Chastreix in the Puy-de-Dôme "département" of the Auvergne "région". It is about 40 km south west of the "préfecture" of the Puy-de-Dôme "département" Clermont-Ferrand, also capital of the Auvergne. The resort is sandwiched between the Cirque de la Fontaine Salée to the south-east and the Val d'Enfer, or Valley of Hell in English,