Tiffany & Co. diamond three stone cluster ring. Horizontally set with three round old cut diamonds in open back claw settings with a combined weight of 0.50 carats, encircled by a cluster of fourteen round old cut diamonds in open back grain settings with a combined weight of 0.55 carats. The total approximate diamond weight is 1.05 carats, to an elegant tapered form with intricate millegrain and openwork throughout, conforming to the finger with pierced backholing, flowing down to a solid tapered D-shape shank. Tested platinum, signed 'TIFFANY & CO', engraved 'F.M.J', American, circa 1925.
