platinum ring with sapphire and diamond

A platinum ring with a large open flower or coral anemone pavé set brilliant cut diamonds (app. 1.5 carat G-H, VS in total) with a star of brilliant-cut sapphires (app. 2.5-2.75 carat in total) in between, signed: Cartier and numbered, circa 1960.

weight: 11.06 grams
size: 16.75- mm / 6 1/4 US
width: 1 – 16 mm