Russian, made in St. Petersburg between 1908 and 1917
This antique 14K gold unisex ring is centered with a cabochon cut midnight blue sapphire encircled by sparkling old European cut diamonds. The sapphire measures 9.3 x 5.96 x 5.45 mm, approximately 3.26 ct. Estimated total diamond weight is 0.62 ct.
Weight 12.34 grams
The ring is marked with 56 zolotnik Imperial gold standard, maker’s initials, and later Soviet control mark from the 1930s for 583 gold standard.
Ring size 8.75 (19 mm) sizable