Edwardian sapphire and diamond navette cluster ring in gold

Edwardian sapphire and diamond navette cluster ring in platinum and 18kt yellow gold. Centrally set with an estimated 1.30ct cushion shape mixed cut sapphire in a millegrain setting, surrounded by cushion shape Old Mine cut diamonds in grain settings, to a horizontally set navette cluster design with subtle scalloped edges and sweeping pierced open gallery, flanked to either side with inwardly tapering shoulders which flow to a solid shank. Estimated total diamond weight 2.00cts.