Art Deco Japanese Style Fan Diamond Gem Set Brooch, circa 1920. Photo courtesy James Robinson

American Platinum, Black Enamel, Onyx, Sapphire, Ruby, Diamond, Emerald & Yellow Spinel Fan Brooch.

Carnelian Drop Earrings,  circa 1910. Photo courtesy James Robinson.

French 18kt Gold & Silver, Carnelian, Lapis Lazuli & Diamond Drop Pair of Earrings

Edwardian “Moire Ribbon” American Diamond Bracelet mounted in Platinum, made circa 1910. Photo courtesy James Robinson

See similar by Cartier, CARTIER by Rudoe, Abrams, page 71.

English Victorian Amethyst Gold Necklace, Circa 1850. Photo courtesy James Robinson.

Gold, Amethyst and Pearl Necklace. Circa 1850. 17 1/2 inches plus 2 1/4 inch pendant (removable).

Available at James Robinson. 60th Annual Winter Antiques Show. Park Avenue Armory. New York. January 24-February 2, 2014