Edwardian Style Cushion Cut 1.20 Carat Diamond and Platinum Solitaire Ring

An Edwardian style solitaire diamond ring, set with an estimated 1.20ct old cushion-cut diamond, in our opinion the colour is H and our opinion of the clarity is SI2, in a millegrain edged rub over setting, with old-cut diamonds in the shoulders, in grain settings, with millegrain edges, mounted in platinum. Stamped with a French dog's head mark on the outside of the shank.