made in Moscow in the 1930s
A vintage 14K gold cluster ring is centered with an oval sky blue sapphire (9.1 x 7.07 x 4.8 mm, approximately 2.47 ct) encircled by sparkling golden green Russian demantoids.
The sapphire and demantoid top measures 13 x 12 mm (1/2 x 7/16 in.)
The ring is marked with 583 gold standard, Moscow assay mark and maker’s mark.
Ring size 10 (20 mm) sizable