Tiffany & Co. diamond pendant, American, circa 1920.

Tiffany & Co. diamond pendant. Centrally set with three round old cut diamonds in open back grain settings with an approximate weight of 0.65 carats, further adorned with fifty two round old cut diamonds in open back grain settings with a combined weight of 1.50 carats, all suspended from three round old cut diamonds in open back grain and rubover settings with a weight of 0.10 carats. The total approximate diamond weight is 2.25 carats, to an elegant openwork design composed of three concentric forms, flowing with movement, featuring millegrain edging throughout, a pierced gallery and fancy open backholing, suspended from a secure pendant bale, pendant approximately 3.5 cm in length. Tested platinum and iridium, signed 'Tiffany & Co.', American, circa 1920.