Edwardian emerald and diamond open oval cluster ring

Edwardian emerald and diamond open oval cluster ring in platinum. Centred with an oval mixed cut emerald in a yellow gold millegrain setting, surrounded by eight round cut diamonds in millegrain settings, bordered by a row of rose cut diamonds in grain settings, to an intricate fancy cluster ring with millegrain decoration and scalloped gallery, flanked by split open shoulders which continue to a solid shank.