Sancy 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 lower portion of a stone, below the girdle or midsection). The Sancy's known history began circa 1570. Several sources state it belonged to Charles the Bold, Duke of Burgundy. After Charles died, in 1495 it passed to his cousin King Manuel
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