gemstones

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An Important Art Deco Ruby and Diamond Pendant Brooch by Van Cleef & Arpels | Christie's
An Important Art Deco Ruby and Diamond Pendant Brooch by Van Cleef
1920s Art Deco Colombian Emerald Diamond and Platinum Ring
Art Deco Diamond, Emerald and Platinum Ring | From a unique collection of vintage cocktail rings at http://www.1stdibs.com/jewelry/rings/cocktail-rings/
AN ART DECO AQUAMARINE, DIAMOND, LAPIS LAZULI AND ENAMEL CLIP, BY CARTIER | Christie's
AN ART DECO AQUAMARINE, DIAMOND, LAPIS LAZULI AND ENAMEL CLIP, BY CARTIER Set with a rectangular-cut aquamarine, held by single-cut diamonds, within a blue enamel frame enhanced by a diamond-set and enamel palmette terminal, to the lapis lazuli tubular top with single-cut diamond detail, circa 1925 Signed Cartier.
1930s Art Deco Platinum Untreated Burmese Ruby and Diamond Ring
1930s Art Deco Untreated Burmese Ruby Diamond Platinum Ring
CARTIER: A RUBY AND DIAMOND NECKLACE
A HIGHLY IMPORTANT ART DECO RUBY AND DIAMOND NECKLACE: The front with old European and single-cut diamond concave plaques, each set to the centre with rubies, flanked by shield, square and keystone-cut diamonds and baguette-cut diamonds to the sides, the edges further embellished by a line of cabochon rubies, alternating with ruby hoops, linked by diamonds with ruby beads, extending with alternate single-cut diamond bombé panels with ruby detail, mounted in platinum. Signed Cartier.