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
Achille Harlay de Sancy Achille Harlay de Sancy Achille de Harlay de Sancy, Cong. Orat. (1581, Paris26 November 1646), the son of Nicolas de Harlay, seigneur de Sancy, was a French diplomat and intellectual who was noted as a linguist and orientalist. He entered Church service, becoming the Bishop of Saint-Malo. Harlay was educated for a career in the Roman Catholic Church, but, though he remained a friend to his fellow pupil Armand-Jean du Plessis, who became Cardinal Richelieu, he resigned his vocation to become a soldier after the death of his elder brother in 1601. For several years, from 1610 to 1619, he