Sancy Collection

Celebrated Diamonds
Celebrated diamonds including; Regent, Ko-hi-noor, Sancy, Eugenie and Le Grand duc de Toscane

Lady Astor wearing Cartier tiara with Sancy diamond
Lady Astor, who sat as MP for the Sutton Division of Plymouth from 1919 to 1945 pictured arriving for the opening of Parliament in 1948 wearing a Cartier tiara featuring the Sancy diamond

The Largest Diamonds in the World (engraving)
1594833 The Largest Diamonds in the World (engraving) by English School, (19th century); Private Collection; (add.info.: The Largest Diamonds in the World)

The Great Diamonds of the World (engraving)
1622019 The Great Diamonds of the World (engraving) by English School, (19th century); Private Collection; (add.info.: The Great Diamonds of the World)

Sancy diamond
Illustration of a sancy diamond

Portrait of Achille de Harlay de Sancy, Theodor van Merlen (II), 1652

Portrait of Nicolas de Harlay de Sancy, Theodor van Merlen (II), 1653

Famous diamonds, artwork
Famous diamonds, historical artwork. Eleven named diamonds arrayed together with four unnamed examples of ordinary diamonds

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Discover the captivating history of the legendary Sancy Diamond, one of the most celebrated diamonds in the world. This 55.23-carat gemstone, once owned by the prominent Harlay de Sancy family, has graced the crowns of kings and adorned the tiara of the influential Lady Astor. Its illustrious past is immortalized in engravings, such as "The Largest Diamonds in the World" and "The Great Diamonds of the World." Delve into the artistry of Theodor van Merlen's portraits of Achille and Nicolas de Harlay de Sancy, which showcase the diamond's brilliance and the noble lineage of its former owners. Witness the timeless allure of this famous diamond, a testament to the enduring fascination with the rarest treasures of the natural world.