PERIOD PLATINUM AND DIAMOND RING Circa 1915/1920: Filigree platinum ring centering a single 1.36 Ct. old European round cut diamond, rated VS1 in clarity and H in color. Accented with .15 CTW round single cut diamonds and old European round cut diamonds, VS-SI in clarity and H in color. The center diamond is bezel set, small diamonds are bezel and bead set. Size 10.5, 5.0 grams.