1980s. Set with emerald-cut diamond at the centre weighing 0,44 carats, clarity VS1, color H. Flanked by 18 French-cut rubies weighing 0,98 carats and 36 diamonds weighing 0,20 carats. Mounted in 18K white gold with millegrain setting. Ring band decorated with diamonds on both sides and hallmarked inside. Weight: 3,63 g. Measurements: 0.51 x 0.51 in ( 1,3 x 1,3 cm ) Ring size: 54 ( US 6 3/4 ) Resizable. Very good condition.