0.57 ct black opal 6.8×4.9×2.5mmUS$100.00 Out of stock SKU: AG2113 Category: Black Opal Opal Specifications Additional information Weight 0.57 ct Dimensions 6.8 × 4.9 × 2.5 mm Body Tone Black N2 Brightness B2 Moderately Bright Cut Oval Dome Medium Dome Opal Origin Lightning Ridge Predominant Colors Blue Product Enquiry