1.52 Art Deco Diamond Filigree Engagement Ring in Platinum.  This timeless Art Deco engagement ring features a 1.52 carat old European cut diamond on a filigree platinum band. The center diamond is set in six (6) prongs and features a soft and glittering champagne hue. Four (4) accent diamonds decorate the ornate shoulders of the band. From the profile, a well-designed filigree mounting support the diamonds, finished on a polished platinum band.