8.00 ct gem black opal 17.5x17x4mmUS$0.00 Out of stock SKU: D1400217 Category: Black Opal Product Description A top gem red blue black opal with a large face. Collect this one and keep it safe for the future. Larger stones are rare Opal Specifications Additional information Weight 8.00 ct Dimensions 17.5 × 17 × 4 mm Predominant Colors Blue, Red Body Tone Black N4 Brightness B5 Vivid Cut Round Dome Low Dome Product Enquiry