gold ring with sapphire and diamond

An 18 carat white gold dome ring set with a cabochon cut sapphire (app. 1.50 carat, 7.2 x 5.1 x 3.8 mm) with on each side a brilliant cut diamonds (each app. 0.10 carat, G-H, vs-si) all flush set, signed and numbered: Cartier, 09-406, circa 1980.

weight: 4.83 grams
ring size: 14.25 mm. / 3 ¼ US
width: 6.5 – 2.5 mm.