0.56 ct black opal 7.4×4.3×2.3mmUS$200.00 Out of stock SKU: MU2301 Category: Black Opal Opal Specifications Additional information Weight 0.56 ct Dimensions 7.4 × 4.3 × 2.3 mm Body Tone Black N4 Brightness B3 Bright Cut Freeform Dome Low Dome Opal Origin Lightning Ridge Predominant Colors Green Product Enquiry