made in Moscow between 1908 and 1917
An antique 14K gold unisex ring is prong-set with a 5.07 ct cabochon cut natural sapphire of an excellent medium blue color. The sapphire measures 10.73 x 7.46 x 6.45 mm.
The ring is marked with 56 zolotnik old Russian gold standard, Moscow assay mark and maker’s initials.
Ring size 9 (19 mm) sizable