A wonderful engagement ring in 18kt white gold from the late Art Deco era - ca. 1935 - that features an old European cut round diamond in the center that weighs app. 0.50 ct.  The diamond is L-M color and SI1 clarity and is accentuated by 2 small single cut round diamonds on either side.  The ring is a size 5 1/2 and can be sized to fit.