Art Deco & Mid Century JewelryEuropean and American jewelry made between 1920 and 1960, including signed jewels and unusual examples. 6.02 Carat Asscher Cut Diamond RingPlatinum and diamond solitaire ring containing a 6.02 carat Asscher cut diamond (J color, VS1 clarity) with a pair of tapered baguette diamond side stones, c. 1950. Jade and Diamond RingFine platinum, pavé diamond and jade (natural, type "A") ring, c. 1950. French Art Deco BraceletFrench Art Deco platinum, black onyx and diamond three row bracelet, with engraved sides, the plunger gold and with French control marks, c. 1925.Art Deco Sapphire and Diamond BraceletArt Deco platinum, diamond, and sapphire link bracelet, with square cut sapphires and European cut diamonds, New York, c. 1925. Unusal Art Deco BraceletFrench Art Deco platinum, sapphire, and diamond bracelet, with nine epaulette cut sapphires set between channels of European cut diamonds and sapphire calibre, c. 1925.Unusual Art Deco Diamond and Hardstone Dress ClipsPair very unusual Art Deco platinum, diamond, and hardstone dress clips, designed in a Revivalist style, c. 1925. Natural Pearl Shell EarringsPair platinum, diamond, and natural pearl shell earrings, c. 1950. Mid-Century 7.28 Carat Emerald Cut Diamond RingPlatinum and diamond solitaire ring containing an emerald cut diamond weighing 7.28 carats (J color, VVS2 clarity) with a pair of tapered baguette diamond side stones, c. 1950.Ruby and Diamond Link BraceletPlatinum, diamond and ruby bracelet with oval links set with European cut diamonds connected by channel set square cut ruby links, New York, c. 1930. Platinum and Sapphire Clip by BoivinFrench platinum and cabochon sapphire clip, René Boivin, 1931.Tiffany & Co. Marquise Diamond BroochPalladium, antique cut marquise diamond and round diamond branch leaf brooch, Tiffany & Co., New York, c. 1940. French Flower Brooch, c. 1925French platinum, European cut diamond and ruby bead flower brooch, c. 1925. Fine Calibre Sapphire and Diamond RingPlatinum, European cut diamond and sapphire ring with a cabochon sapphire center, European, c. 1925. Art Deco Diamond Long ChainPlatinum and European cut diamond long chain containing 152 diamonds weighing a total of about 30.00 carats, c. 1930. Art Deco Drop Earrings, Trabert & Hoeffer MauboussinPair French Art Deco platinum, diamond, onyx and coral drop earrings, Trabert & Hoeffer Mauboussin, c. 1925. Rare Pair of Line BraceletsVery fine pair of platinum, square cut Columbian emerald and square cut diamond 5 x 5 alternating line bracelets of unusual width, c. 1935.View More