0.51 ct black opal 6.1×5.4×2.4mmUS$300.00 Out of stock SKU: MT2142 Category: Black Opal Opal Specifications Additional information Weight 0.51 ct Dimensions 6.1 × 5.4 × 2.4 mm Body Tone Black N1 Brightness B2 Moderately Bright Cut Oval Dome Medium Dome Opal Origin Lightning Ridge Predominant Colors Blue Product Enquiry