0.52 ct black opal 7×4.5×2.3mm$800.00 USD USD AUD Out of stock SKU: MT2156 Category: Black Opal Tags: Gold Rush, Joyful Johanna, Opulent Black Opals Opal Specifications Additional information Weight 0.52 ct Dimensions 7 × 4.5 × 2.3 mm Body Tone Black N4 Predominant Colors Green, Gold Brightness Very Bright B4 Cut Oval Dome Low Dome Opal Origin Lightning Ridge Product Enquiry