Fred of Paris solitaire citrine ring. Set to centre with a round brilliant cut natural citrine in an open back rubover setting with an approximate weight of 10.00 carats, to an impressive dress ring featuring an hexagonal design, polished edges and open backholing, the heavy integrated shoulders flowing down to a solid lightly rounded shank. Marked 18 carat yellow gold, signed 'FRED', maker's mark 'SF', French, circa 1970.