A Vintage Chrysoprase and Gold Ring
made in St. Petersburg between 1908 and 1917
The 14K gold ribbed ring is set with a sugarloaf cabochon cut chrysoprase (a valuable green variety of chalcedony).
Marked with 56 zolotnik gold standard and maker’s initials
Width 9 mm (5/16 in.)
Weight 7 grams
Ring size 9