Vintage Old European Diamond Art Deco Engagement Ring.  This original antique 18 karat white gold Art Deco ring is set with a .66 carat old European cut center diamond.  The center diamond is bead set with a decorative square bezel creating a geometric appearance popular during the 1930s. There is an design element at the North and South points of the center diamond that is finished with a milgrain edge.   The center diamond is accented by a row of channel set round diamonds across the bridge of the finger. The total side diamond weight is .12 carats.  The ring is finished in a high polish.