Antique White Precious Opal Three Stone Carved Ring in Gold

Antique white precious opal three stone carved ring in 18kt yellow gold. Set with three large oval cabochon cut white precious opal in claw and grain settings, highlighted to top and bottom with rose cut diamonds in claw settings, to an three stone with elaborately carved scrolling gallery and flanked by trumpeting shoulders decorated with carved patterns before smoothing to a solid shank. Marked 18kt gold.