0.25 ct black crystal opal 5.1×4.1×1.8mmUS$100.00 Out of stock SKU: JRB2312 Category: Black Opal Opal Specifications Additional information Weight 0.25 ct Dimensions 5.1 × 4.1 × 1.8 mm Body Tone Black N4 Brightness B4 Very Bright Cut Oval Dome Medium Dome Opal Origin Lightning Ridge Predominant Colors Green Product Enquiry