3.79 ct black opal 12x9x5.5mm$4,000.00 USD USD AUD Out of stock SKU: UN1910 Category: Black Opal Opal Specifications Additional information Weight 3.79 ct Dimensions 12 × 9 × 5.5 mm Body Tone Black N4 Predominant Colors Blue, Green Brightness Bright B3 Cut Oval Dome High Dome Opal Origin Lightning Ridge Product Enquiry