Supposed to be the largest and most beautiful polished sapphire worldwide, this Cartier 478 carats sapphire was a gift of King Ferdinand to his spouse, Queen Mary of Romania.

All the while, Luisa journeyed wherever her fancy took her–Venice, Rome, Paris, Capri–collecting palaces and a menagerie of exotic animals and spending fortunes on lavish masquerades.

An extraordinarily rare and important work, La jeune fille sophistiquée is the only existing bronze example of Brancusi’s stylized portrait of the Anglo-American heiress and writer Nancy Cunard.