Antique Engagement Ring Art Deco 1.53 Old European Cut Diamond in PlatinumThis wonderful original Art Deco engagement ring is finished in brightly polished platinum and features a 1. 53 carat old European cut diamond at its center. The spectacular center old European cut diamond has both life and brilliance and is set with fishtail prongs, allowing for full view of the stone. The center diamond is accented by four (4) bezel set diamonds on each side, adding a unique geometric look and feel to this gorgeous 1930s engagement