Vintage Transitional Cut Diamond Engagement Ring in Platinum.  This fabulous vintage engagement ring features a .85 carat transitional cut diamond finished in platinum. The .76 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 that is bisected by two baguette diamonds along toward the band. This stunning display of Art Deco brilliance is dazzling with its tremendous diamond presence.