Cartier sapphire and diamond ring. Set with nine round brilliant cut diamonds in open back grain settings to three rows with an approximate combined weight of 0.36 carats, alternated by four rows of four square baguette cut natural unenhanced sapphires in open back channel settings, all twelve with an approximate combined weight of 0.80 carats, separated by yellow gold ridges, with intricate square backholing to a conforming full band. Marked 18 carat yellow gold, signed 'Cartier', numbered '930685', French, circa 1970.
