Sancy Hope diamond. The Sancy was in the collection of Vasiliy Rudanovsky until 1828 when purchased by Prince Demidoff for £80,000. It remained in the Demidov family collection until 1865 when sold to Sir Jamsetjee Jeejeebhoy, an Indian prince, for £100,000. He sold it only a year later, creating another gap in its history. It reappeared in 1867, displayed at the Paris Exposition, carrying a price tag of one million francs; the gem then vanished again for forty years. The Sancy next surfaced in 1906 when bought by William Waldorf Astor, 1st Viscount Astor, from famous Russian collector A.K.Rudanovsky. The prominent
Puy de Sancy Puy de Sancy Puy de Sancy (Auvergnat: "", "Mount of the Cross") is the highest mountain in the Massif Central. It is part of an ancient stratovolcano which has been inactive for about 220,000 years. The northern and southern slopes are used for skiing, and a number of cablecars and skilifts ascend the mountain. Skiing has been practised on the mountain since the early 20th century. Two local priests traversed the Puy de Sancy on skis in 1905. In 1936, a cable car link was built from Mont-Dore to one of the needles just below the summit. In December 1965,