13.75 ct gem black opal 18.5x17x6mmUS$18,000.00 Out of stock SKU: FA1736 Category: Black Opal Opal Specifications Additional information Weight 13.75 ct Dimensions 18.5 × 17 × 6 mm Body Tone Black N3 Predominant Colors Blue, Green Brightness B5 Vivid Dome Low Dome Opal Origin Lightning Ridge Product Enquiry
