Antique Engagement Ring Edwardian/Early Art Deco 2.72 Old European Cut Diamond in PlatinumThis extraordinary Antique Edwardian early Art Deco diamond engagement ring features a brilliant 2. 72 old European cut diamond. This platinum mounting features fine diamond filigree work accented with a delicate line of square cut sapphires on the shoulder of the mounting. The ring is finished with hand engraving and milgrain detail. This refined engagement ring has been restored to its original beauty. This remarkable engagement ring is a tribute to