Opal, Sapphire & Diamond Ring 18kt White Gold. Beautiful ring set with a pinched cathedral shank frames the center oval cluster. The opal (7.51cts), which has crazing through out, with fourteen round sapphires (0.67cttw) and fourteen round diamonds (0.42cttw). The ring was cast and handset with a bright polished finish and is in very good condition. Comes with insurance appraisal of $3249.00. Size 6.