0.72 ct black opal 8x6x3.8mmUS$1,800.00 Out of stock SKU: WW2093 Category: Black Opal Opal Specifications Additional information Weight 0.72 ct Dimensions 8 × 6 × 3.8 mm Body Tone Black N2 Brightness B4 Very Bright Cut Oval Dome Medium Dome Opal Origin Lightning Ridge Predominant Colors Green Product Enquiry