0.66 ct black opal 6.9×5.4×2.5mmUS$400.00 Out of stock SKU: MP22031 Category: Black Opal Opal Specifications Additional information Weight 0.66 ct Dimensions 6.9 × 5.4 × 2.5 mm Body Tone Black N2 Brightness B4 Very Bright Cut Oval Dome Medium Dome Opal Origin Lightning Ridge Predominant Colors Green Product Enquiry