Art Deco Diamond Cluster Engagement Ring in Platinum.  This fabulous vintage engagement ring features a .93 carat old European cut diamond finished in platinum. The .60 carats of accent diamonds dramatically add to the sparkle of this Art Deco beauty. The primary stone is prong set in a square section that sits amid a wreath of smaller diamonds creating a diamond halo. This stunning display of Art Deco brilliance is dazzling with its diamond presence and low profile setting.