A Retro carved blue chalcedony, amethyst, and gold clip brooch comprised of a chalcedony swirl, adorned with collet-set amethysts, in 18k. Attributed to Suzanne Belperron, France. With maker's mark Groëné et Darde.

Considered to be among the most important independent jewelry designers of the twentieth-century, Suzanne Belperron was born in 1900 in the picturesque town of Saint-Claude in eastern France near the Swiss border. After finishing her studies at an art school in Saint-Claude, she moved to Paris where she began working at the well-known jewelry house of Boivin. Suzanne's work at Boivin was very much ahead of its time, championing curvilinear and streamlined pieces which were unlike the diamond-embellished geometric Art Deco pieces being widely produced during the 1920s and early ‘30s. Upon leaving Boivin in 1932, she partnered with a Parisian jeweler - Bernard Herz - where she continued to produce her avant garde designs but this time with full autonomy. She quickly became a tastemaker in Parisian society and beyond, creating jewels for royalty, actresses, artists, and other high-profile figures. She never signed her work, instead often saying, “My style is my signature.”

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