Art Deco Diamond Emerald Engagement Ring in Platinum.  This stunning Art Deco engagement ring features a 1.04 carat Old European cut diamond with single cut diamond accents and two (2) trilliant cut emeralds. The ring is finished in platinum which swirls and twists to form a lovely filigree setting. The primary stone is set with fishtail prongs and sits above an amazing example of Art Deco style.