2.31 ct black opal 12x11x2.5mm$639.00 USD USD AUD Out of stock SKU: A1201012 Category: Black Opal Product DescriptionLArge faced black opal makes the opal look larger than it really is. Opal Specifications Additional information Weight 2.31 ct Dimensions 12 × 11 × 2.5 mm Predominant Colors Green Body Tone Black N4 Brightness B3 Bright Cut Oval Dome Low Dome Product Enquiry