Russian, circa 1915
A 14K rose gold fluted ring is set with a sparkling old European cut diamond (measuring 5.8 -5.6 x 3.5 mm, approximately 0.72 ct, I color, SI2 clarity).
The ring is marked with later Soviet control mark for 585 gold standard.
Weight 7.24 grams
Ring size 8 (18 mm) sizable