0.56ct black opal 6.6×4.8×2.4mmUS$1,500.00 Out of stock SKU: FR2111 Category: Black Opal Opal Specifications Additional information Weight 3.73 ct Dimensions 6.6 × 4.8 × 2.4 mm Body Tone Black N4 Predominant Colors Green, Blue Brightness B4 Very Bright Cut Oval Dome Medium Dome Opal Origin Lightning Ridge Product Enquiry