Cartier diamond eternity ring. Set with seventy two round brilliant cut diamonds in open back grain settings with a combined approximate weight of 4.30 carats, to a smoothly conforming three row full eternity band with polished edges and intricate open backholing, approximately 8.2mm in width. Marked 18 carat yellow gold, numbered '40031', maker's mark 'JCD', marked 'Cartier', signed 'Cartier Paris', French, circa 1980.
