Sancy Astor family possessed it for 72 years until the 4th Viscount Astor sold it to the Louvre for $1 million in 1978. The Sancy now rests in the Apollo Gallery, sharing attention with the likes of the Regent and the Hortensia. Sancy The Sancy, a pale yellow diamond of , was once reputed to have belonged to the Mughals of antiquity, but is more likely of Indian origin owing to its cut, which is unusual by Western standards. The shield-shaped stone comprises two back-to-back crowns (the typical upper half of a stone) but lacks any semblance to a pavilion (the
Beau-Séjour Palace Pinheiro—by his heirs. In the 1930s, following the death of D. Maria da Glória Leite, "Beau-Séjour" passed into the hands of her goddaughter and her husband (Augusto Fernandes de Almeida). Ultimately, most of the contents were sold at auction, along with the estate, which came into the possession of the Marist Brothers, who established a college in the "palácio". This was a short-lived venture, after which the municipal council of Lisbon eventually acquired the estate in the 1980s. There were alterations to the interior of the house, conforming to the change in the function of the building: there was a