Diamond Cocktail Ring, circa 1940

Diamond cocktail ring. Set with one round old cut diamond in an open back claw setting with an approximate weight of 1.05 carats, further set with one round old cut diamond in an open back claw setting with a weight of 1.00 carats, further adorned with two round star top diamonds in open back grain settings with a combined weight of 0.20 carats. The total approximate diamond weight is 2.25 carats, to an openwork geometric design, featuring curving claws, polished edges and fancy open backholing, flanked by broad raised shoulders which taper through to a solid flat ribbed shank...

Sterle of Paris diamond cocktail ring. Set to centre with a round old cut diamond in an open back claw setting with a weight of 0.80 carats, encircled ...

The rectangular plaque set with two old brilliant-cut diamonds within rectangular borders and single-cut diamond pave', each diamond approximately 0.80 carats, ring size 7

This stunning early 20th-century platinum vintage diamond ring features a timeless design with four Old European Cut diamonds totaling approximately 1.00 carat, elegantly set down th...