0.64 ct black opal 7.4×4.8x2mm$100.00 USD USD AUD Out of stock SKU: A22L25 Category: Black Opal Opal Specifications Additional information Weight 0.64 ct Dimensions 7.4 × 4.8 × 2 mm Body Tone Black N4 Brightness B3 Bright Cut Cushion Dome Low Dome Opal Origin Lightning Ridge Predominant Colors Green Product Enquiry