4.78 ct gem black opal pair 10×8.6mmUS$24,000.00 Out of stock SKU: E53085 Category: Black Opal Opal Specifications Additional information Weight 4.78 ct Dimensions 10 × 8.5 mm Body Tone Black N4 Predominant Colors Blue, Red Brightness B4 Very Bright Cut Pair Dome Low Dome Product Enquiry