Antique sapphire and diamond three stone ring in 18kt gold

Antique sapphire and diamond three stone ring in 18kt yellow gold. Centrally set with an oval mixed cut sapphire in a claw setting, flanked by foour round old cut diamonds in vertical claw and grain settings, further set with two round mixed cut sapphires in claw settings, to a three stone design with curving claws, ribbed and open gallery and raised trumpeting shoulders which flow to a solid shank. Marked 18kt gold.