By Erika Winters

The Cartier "Foliates" tiara, made for the Countess of Essex in 1902, is on display at the "Cartier: Style and History" exhibition at the Grand Palais in Paris. Image: N. Welsh, Cartier Collection

The Cartier "Foliates" tiara, made for the Countess of Essex in 1902, is on display at the "Cartier: Style and History" exhibition at the Grand Palais in Paris. Image: N. Welsh, Cartier Collection