The stunning Cartier tiara from the 1930s was part of the estate of Mary, Duchess of Roxburghe, and sold for $2.59 million at Sotheby’s Geneva on 12 May 2015.

The stunning Cartier tiara from the 1930s was part of the estate of Mary, Duchess of Roxburghe, and sold for $2.59 million at Sotheby’s Geneva on 12 May 2015.