Antique French Edwardian diamond & sapphire platinum ring, circa 1910. This Edwardian ring is crafted in platinum and features a .50 carat center diamond. The center diamond has VS2 clarity and I color. There is a round sapphire above and below with a .40 carat total weight. This French platinum ring also has .20 carat total weight of accent diamonds. Each of the stones in this ring is bezel set with milgrain detailing. The Edwardian diamond ring is a size 6.5.