4.73 ct gem collectors black opal 12×9.5x6mm$18,000.00 USD USD AUD Out of stock SKU: LS1603 Category: Black Opal Opal Specifications Additional information Weight 4.73 ct Dimensions 12 × 9.5 × 6 mm Body Tone Black N4 Predominant Colors Green, Orange Brightness Vivid B5 Cut Oval Dome High Dome Product Enquiry