European 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 weight is .18 carats.