A very fine antique Russian men’s ring, made in Moscow between 1908 and 1917, matte and polished gold, set with a step-cut spinel (0.73 ct) flanked by two old brilliant-cut diamonds (0.3 ct each / 0.6 total weight).

Ring size 10

(inner diameter 20 mm or 13/16 in.)

Marked with 56 zolotniks standard (14K – 583 gold), Moscow assay office 1908-1917, and workmaster’s initials ‘W I’