A Vintage Diamond and Sapphire Engagement Cluster Ring
circa 1900
A midnight blue oval cabochon cut sapphire (approximately 1.84 ct) in yellow gold milgrain 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.)
US 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.