Emerald and sapphire ring by Jean Schlumberger for Tiffany & Co. Centrally set with one round cabochon natural emerald with no colour enhancement in an open back grain setting with an approximate weight of 0.50 carats, further set with thirty six round brilliant cut natural unenhanced sapphires in open back grain settings with an approximate total weight of 5.50 carats, to a heavy bombé cluster design in the form of a stylised florette featuring gold petal detail forming the openwork gallery and open backholing, leading to broad shoulders and tapering down to a flat shank. Marked 18 carat yellow gold, signed 'TIFFANY', American, circa 1960.
