A 14K rose gold ring is centered with a midnight blue natural sapphire (approximately 0.37 ct)

surrounded by old cut diamonds (estimated total diamond weight 1.25 ct).

The ring is marked with an Imperial Russian assay hallmark for the period 1899-1908.

Height 28 mm (1 1/8 in.)

Ring size 8 3/4 (19 mm)

sizable