Tiffany & Co. five row diamond ring. Set with one hundred and forty five round brilliant cut diamonds in open back grain settings with a combined approximate weight of 4.35 carats, to a smoothly conforming bombé shape band, set throughout with five rows of diamonds, graduating in size, with intricate pierced lattice open backholing, approximately 7.5mm in width. Marked platinum, signed 'TIFFANY & CO.', American, circa 1970, accompanied by Tiffany & Co. box.
