Central Europe, circa 1930s
A vintage 14K gold signet ring is bezel set with a black & grayish blue agate panel carved with a crest framed by diamonds.
Estimated total diamond weight 0.80 ct.
The diamond and agate top measures 27 x 20 mm (1 1/16 x 3/4 in.)
Ring size 7.5 (18 mm) sizable