0.40 ct black opal 6.7×4.8×1.5mmUS$750.00 Out of stock SKU: LP21005 Category: Black Opal Opal Specifications Additional information Weight 0.40 ct Dimensions 6.7 × 4.8 × 1.5 mm Body Tone Black N4 Predominant Colors Green, Orange Brightness B4 Very Bright Cut Oval Dome Medium Dome Opal Origin Lightning Ridge Product Enquiry