Draping ribbons of platinum set with diamonds surround a spectacular .63 carat, H color, Si2 clarity diamond at the center of this antique engagement ring. Intricate filigree, curling cutwork and delicate milgrain adorn the sides and shoulders of this magnificent ring. Abstract organic engraving finish the band. The Art Deco ring is crafted of platinum and measures 8.65 mm in width. Circa: 1920. Size 6 1/2. We can re-size.