Marcus & Co. Art Nouveau brooch, “Tibula” shaped 18k yellow gold brooch set with three natural pearls, the natural center button pearl approx. 10 mm in diameter (G.I.A. certificate, 3 natural freshwater pearls, weight 24.90 grams, measurement range from 5.46 to 12.26mm), 16 sugarloaf cabochon sapphires, the two large and high dome middle sapphires with a purple hue, 20 pave set round diamonds all surrounded with clear plique-a-jour further trapped with platinum flakes, signed c. 1897
Art Deco Emerald step cut diamond solitaire ring, center cut emerald diamond (3 carats 10.30 x 7.20 x 4.3mm, Clarity VS-1, Color I/J, UGL certificate), with surrounding round brilliant cut diamonds, French cut natural sapphires (approx. 0.60 carats), all set in platinum mounting, c. 1930’s
American Art Nouveau “Green Heart” ring set with a heart shaped peridot (approx.15 carats) surrounded with 20 round cut diamonds (approx. 3 ½ carats TW) all set in an 18K gold mounting, c.1900
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