1960s sapphire and diamond vertical cluster ring in 18kt white gold

1960s sapphire and diamond vertical cluster ring in 18kt white gold. Set with an oval cabochon cut sapphire in a claw setting, surrounded by alternating round brilliant cut and rectangular baguette cut diamonds in claw settings, to a raised cluster design with curving claws and vertical linear gallery, flanked to either side with raised inwardly tapering shoulders which smooth to a slim shank.