An unusual art deco multi-gem and silver tiara, by Coco Chanel . Photo Christie's Image Ltd 2004

The silver headband, extending a graduated series of cushion, circular and oval-cut aquamarine, tourmaline, amethyst and citrine accents, further enhanced by a similarly-set pear-shaped fringe, terminating in cabochon amethyst detail, circa 1925. Signed Chanel. Price Realized $100,380

Christie's. MAGNIFICENT JEWELS, 12 October 2004, New York, Rockefeller Plaza. http://www.christies.com/