Art Deco & Mid Century JewelryEuropean and American jewelry made between 1920 and 1960, including signed jewels and unusual examples. Unusual Sapphire Dress Clips by Raymond YardPair platinum, diamond, and sapphire dress clips with calibre sapphires and blue enamel points, by Raymond Yard, New York, c. 1925. Pair Cartier Gold EarringsPair yellow gold earrings designed as leaf clusters, Cartier, NY, c. 1960. Art Deco Diamond RingPlatinum and diamond ring with a central European cut diamond weighing about 1.80 carats, with baguette and antique cut diamonds, c.1925. Convertible Mid-Century Platinum and Gemstone ChainsUnusual platinum, European cut diamond and cabochon sapphire, emerald, and ruby chains, worn either as a long necklace or converted to three bracelets, c.1950. Ruby and Diamond Starburst Earrings, Oscar HeymanPlatinum, ruby and diamond starburst earrings by Oscar Heyman, New York, c. 1960.Mid-Century Diamond Drop EarringsPair of platinum and diamond cluster drop earrings, each set with an antique marquise diamond weighing about 2.00 carats suspended from a round and fancy shaped diamond cluster, New York, c. 1950.Unusual Art Deco BroochYellow gold and platinum, hardstone, enamel, ruby and diamond plaque brooch, c.1925. Art Deco Diamond and Sapphire Bracelet, Oscar HeymanArt Deco platinum, diamond and sapphire bracelet, with channels of round diamonds set between connecting links of baguette diamond and sapphires, by Oscar Heyman for Lambert Bros, New York, c. 1930.Schlumberger for Tiffany & Co. Long Chain NecklaceYellow gold link chain necklace, by Schlumberger for Tiffany & Co., New York, c. 1960.Mid-Century Tutti-Frutti BraceletYellow, white and rose gold link bracelet with bezel set diamonds and carved emerald, sapphire, and ruby, American, c. 1940.Modernist Cuff BraceletUnusual carved chalcedony wave design cuff bracelet set with 18 karat gold and citrine, c. 1930.Art Deco Drop Earrings, Trabert & Hoeffer MauboussinPair French Art Deco platinum, diamond, onyx and coral drop earrings, Trabert & Hoeffer Mauboussin, c. 1925. Antique Emerald Cut Diamond RingPlatinum and diamond solitaire ring containing an antique emerald cut diamond weighing 3.77 carats (K color, VS1 clarity) with a pair of tapered bullet-shaped diamonds.Fox Brooch, French French platinum and diamond fox brooch with onyx eyes, c. 1925. French Art Deco Diamond BraceletFrench Art Deco platinum and diamond bracelet, with square, baguette and round diamonds forming the plaque links, by Rubel Frères, Paris c. 1925.Antique Carré Cut Diamond RingPlatinum and diamond solitaire ring containing an antique 6.61 carat Carré cut diamond (G color, SI1 clarity) with round diamonds set to shoulders. View More