5.11 ct black opal 15x13x4mm$1,000.00 USD USD AUD Out of stock SKU: B177021 Category: Black Opal Opal Specifications Additional information Weight 5.11 ct Dimensions 15 × 13 × 4 mm Body Tone Black N4 Predominant Colors Blue, Green Brightness B2 Moderately Bright Cut Oval Dome Medium Dome Opal Origin Lightning Ridge Product Enquiry