0.31 ct black opal 5.7×4.6×1.8mm$200.00 USD USD AUD Out of stock SKU: D22M01 Category: Black Opal Opal Specifications Additional information Weight 0.31 ct Dimensions 5.7 × 4.6 × 1.8 mm Body Tone Black N4 Brightness B3 Bright Cut Oval Dome Medium Dome Opal Origin Lightning Ridge Predominant Colors Green Product Enquiry