Circa 1950. This stunning 18KT gold Midcentury ring features a gorgeous 12.05-carat, bezel-set, cushion cabochon-cut natural amethyst accented with 14 rose-cut diamonds set into sterling silver bezels. The setting features a pierced design with engraved details. 
 
The ring measures 20.4mm at the top, rises 11.4mm above the finger, tapering to 1.7mm wide and 1.1mm thick at the base of the shank.