1902 sapphire three stone carved ring in 18kt yellow gold

1902 sapphire three stone carved ring in 18kt yellow gold. Set across the finger with three cushion shape mixed cut sapphires in fine claw settings, each sapphire alternating with vertical rows of old cut diamonds in grain settings, to a navette design with bespoke claws, carved open gallery and shoulders that flow to a solid shank. Hallmarked 18kt gold, Birmingham, 1902.