Vintage sapphire solitaire dress ring. Centrally set with a cushion shape old cut natural unenhanced sapphire in an open back rubover gypsy setting with an approximate weight of 3.20 carats, to an impressive dress ring set with polished edges, a smooth conforming gallery and square open backholing, the broad integrated shoulders tapering to a solid lightly rounded shank. Marked 18 carat yellow gold, maker's mark 'JTJ', French, circa 1970, accompanied by Gemmological Certification Services report #80256-72.
