Vintage Art Deco platinum engagement ring centering a 0.52 ct. Old European cut diamond with F color and VS2 clarity. The center diamond is accented with four single cut diamonds on the shoulders of the ring shank, 0.05 ctw. with GH color and VS2-SI1 clarity. The ring is a size 6.5 and can be sized. Circa 1920s. Appraised Value $4,570.00