0.72 ct black opal 8×5.6×2.3mm$1,000.00 USD USD AUD Out of stock SKU: HG2104 Category: Black Opal Opal Specifications Additional information Weight 0.72 ct Dimensions 8 × 5.6 × 2.3 mm Body Tone Black N2 Brightness B3 Bright Cut Oval Dome Low Dome Opal Origin Lightning Ridge Predominant Colors Blue, Green, Red Product Enquiry