18 K white gold pompadour ring, set with an Australian doublet opal surrounded by brilliant-cut yellow diamonds totalling approx. 0.9 ct, set with marquise-cut diamonds, estimated GH-VS, totalling approx. 1 ct. Marked 750. Dimensions on top: 2.1 cm x 2.3 cm. Finger size: 54.5. Gross weight: 8.6 g. Gold 750/1000