A magnificent .70 carat, I color, I1 clarity cushion cut diamond glows from the center of this breathtaking antique platinum engagement ring. Trios of sparkling round cut diamonds press into the rings shoulders, while diamond frosted cutwork spins around the central mount. Decorated with intricate abstract organic engraving, this Art Deco ring measures 9.42 mm in width. Circa: 1920. Size 7. We can re-size.