A Vintage Russian Diamond and Sapphire Cluster Ring

circa 1900

A midnight blue oval cabochon cut sapphire (approximately 1.84 ct) in yellow gold millegrain collet setting is encircled by

a single row of 12 Old European cut diamonds (approximately 1.32 ct total weight), set in silver over 14K / 583 rose gold.

height 16 mm (5/8 in.)

ring size 8 (inner diameter 18 mm)

a very finely handcrafted ring

Marked with later Moscow control stamps from the 1930s for 875 silver and 583 gold.