0.77 ct black opal 7.7x5x2.2mm$400.00 USD USD AUD Out of stock SKU: B160006 Category: Black Opal Opal Specifications Additional information Weight 0.77 ct Dimensions 7.7 × 5 × 2.2 mm Body Tone Black N3 Predominant Colors Blue, Green Brightness B3 Bright Cut Oval Dome Medium Dome Opal Origin Lightning Ridge Product Enquiry