Antique oval sapphire and diamond flower cluster ring in gold

Antique oval sapphire and diamond flower cluster ring in platinum and 18kt yellow gold. Centrally set with an oval mixed cut sapphire in a raised claw setting, encircled with a row of round old cut diamonds in platinum grain and millegrain settings, to an oval cluster design with scalloped edging, pierced zig-zagging gallery and fitted to either side with raised inwardly tapering shoulders which curve to a solid shank.