made in St. Petersburg between 1904 and 1908
A 14K yellow gold men’s ring with soft satin finish is set with a cabochon cut natural midnight blue sapphire (10.1 x 6.8 x 5.3 mm, approximately 3.93 ct).
The ring is marked with 56 zolotnik Imperial gold standard with initials ‘AP’ for St. Petersburg assay master Alexander Romanov (1904-1908) and maker’s initials ‘ST’.
Width at the widest point 12 mm (7/8 in.)
Weight 10.60 grams
Ring size 11 (21 mm) sizable
