A Vintage Demantoid and Diamond Bypass Engagement Ring made in St. Petersburg between 1908 and 1917
The 14K yellow gold ring is prong-set with a sparkling apple green Russian demantoid (approximately 0.32 ct) and an old European cut diamond (approximately 0.30 ct).
Marked with 56 zolontik old Russian gold standard / St. Petersburg assay mark and maker’s mark.
Size 7 (17 mm)