An Art Deco emerald single-stone ring, circa 1920. The large cut-cornered step-cut emerald, weighing 14.70 carats, within a gallery decorated with rose-cut diamonds, between shoulders set with old brilliant, single and rose-cut diamonds, mounted in platinum, French assay mark. #ArtDeco #ring Bracelets, Emeralds, Art Deco, Women's Accessories, Emerald Ring, Art Deco Jewelry, Single Stone Ring, Emerald Jewelry, Emerald Gemstone