French jewelry houses flock to the Biennale des Antiquaires, the biennial September art fair in Paris’ Grand Palais, as the ideal venue in which to showcase the lofty heights their artisans can reach. Chief among these is Chanel, which for this year’s Biennale looked to one of Coco’s earliest inspirations for her jewelry designs: the feather, seen in her first Bijoux de Diamants collection in 1932. The result: this one-of-a-kind Aigrette brooch, crafted in 18k white gold and highlighted by one eight-carat briolette-cut diamond. Fold in the two-carat rose-cut diamond, as well as the four pear-cut diamonds and the flurry of baguettes and brilliant-cut diamonds, and that’s 29 total carats on what can only be termed the ultimate flight of fancy.

Aigrette brooch, Chanel Fine Jewelry (price on request). Bal Harbour Shops, 9700 Collins Ave.; chanel.com

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