Cartier aigrette bandeau, ca. 1900, via Christie’s

Aigrette by Cartier, c. 1913

Cartier Belle Epoque aigrette tiara, c. 1913

Aigrette Tiara with plumes of diamond by Cartier purchased by Lord Derby in 1913

Cartier Aigrette tiara.

Cartier Diamond and Onyx Aigrette, c. 1920s

Cartier Diamond Aigrette, c. 1920s

Cartier emerald and diamond aigrette circa 1925, set in platinum. The emerald aigrette comes with interchangeable green and lavender-colored feathers. Vourtesy of a private collector.