This large and impressive antique cluster ring was handcrafted in platinum around 1915. The ring features an early synthetic blue sapphire of a superb cornflower blue color.
The sapphire is framed by 14 sparkling old European and old cushion cut diamonds.
Estimated total diamond weight 4.30 ct.
The sapphire measures 13.7 x 10.2 x 5.2 mm, approximately 6.39 ct.
Size of the cluster 25 x 22 mm (1 x 7/8 in.)
Ring size 7 (17 mm) sizable