0.51 ct black opal 7.1×4.8x2mm$400.00 USD USD AUD Out of stock SKU: ET2421 Category: Black Opal Tag: Black Beauties Opal Specifications Additional information Weight 0.51 ct Dimensions 7.1 × 4.8 × 2 mm Body Tone Black N4 Brightness B3 Bright Cut Oval Dome Low Dome Opal Origin Lightning Ridge Predominant Colors Green Product Enquiry