Stunning Australian Black Opal Oval CabochonHalo design ring with Diamond accents.Ballerina Design.Stunning for any occasion - Perfect Engagement or Promise ring.Appraised at $3700. Appraisal is included.Platinum Pt900Details:10.84mm by 8.6mm - 1.65ctw0.42ctw of diamonds.Size 5 - can be resizedGREEN with BLUE and Red Flashes6.9grams total