made in Vienna, Austria, in the 1920s.
The platinum ring features a cabochon cut emerald of a glowing bluish green color, surrounded by bright white old cut diamonds.
The emerald measures 12.21 x 9.18 x 5.4 mm and is approximately 4.53 carats.
Estimated total diamond weight is 0.60 ct.
The emerald and diamond cluster measures 17 x 14 mm (11/16 x 9/16 in.)
Marked with butterfly shape platinum mark, ‘W’ for Vienna, 950 standard, and maker’s initials.
Ring size 6.75 (17 mm) resizable