Sancy after a devastating defeat, James took shelter under Louis XIV of France, a fickle host who tired of his exiled guest. Facing destitution, James had no choice but to sell the Sancy to Cardinal Mazarin in 1657 for the reported sum of £25,000. The cardinal bequeathed the diamond to the king upon his death in 1661. The Sancy was thus domiciled in France but disappeared during the French Revolution when brigands raided the Garde Meuble (Royal Treasury). As well as the Sancy, other treasures stolen were the Regent diamond, and the French Blue diamond which is known today as the
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