An Antique Belle Epoque Diamond Swirl Engagement Ring

French with Russian import mark for 1899-1908

The platinum topped 18K gold ring is set with old European and old rose cut diamonds.

Estimated total diamond weight 1 carat

Height 24 mm (15/16 in.)

Ring size 7.25 (17 mm) sizable

The ring is marked with French Mercury head export mark and Imperial Russian import mark.