14K Cabochon Sapphire and Diamond Ring, C.1940. The ring centering a cabochon blue sapphire, gauging approximately 6.5 x 5.0 x 3.5 mm, with early round cut diamond on either side, approximately 0.30 ct, total diamond weight, average VS2 clarity, average I colour. Plain tapered polished gold mount. Stamped 585 on interior of shank. Ring Size: 10.5. Item Weight: 8.33 grams.