Vintage diamond coronet cluster ring. Set centrally with a marquise shape old mine diamond in an open back claw setting with a weight of 0.90 carats, bordered by eight cushion shape old mine diamonds in similar settings with a combined weight of 2.80 carats. The total approximate diamond weight is 3.70 carats, to a stylish cluster design with raised linear openwork gallery and fancy shape backholing, flanked by inwardly tapering shoulders which lead through to a squared shank. Marked 18 carat yellow gold, French control mark, circa 1970.
