2.85 ct black opal 13.1×8.3x4mm$1,000.00 USD USD AUD Out of stock SKU: AAB2410 Category: Black Opal Opal Specifications Additional information Weight 2.85 ct Dimensions 13.1 × 8.3 × 4 mm Body Tone Black N3 Brightness B2 Moderately Bright Cut Oval Dome Low Dome Opal Origin Lightning Ridge Predominant Colors Green, Gold Product Enquiry