Tiffany & Co. diamond eternity ring. Set with twenty six square baguette cut diamonds in open back rubover and channel settings with a combined approximate weight of 2.50 carats, to a smoothly conforming full eternity band with polished edges and finely pierced backholing, approximately 3mm in width. Marked platinum and iridium, maker's mark 'TIFFANY & CO.', American, circa 1930.
