European Cut Diamond Engagement Ring Art Deco PlatinumEuropean cut diamond engagement ring Art Deco platinum. This diamond engagement ring featuring a brilliant . 67 carat old European cut diamond. The center diamond is set in a spilt prong style basket commonly known as a fishtail design. The prongs create a square appearance around the round center diamond. The center diamond is accented with twelve (12) single cut round diamonds bead set in a double row in the platinum setting. The total side diamond