4.26 ct boulder opal 13.4×9.7×3.3mmUS$3,500.00 Out of stock SKU: JN23010 Category: Boulder Opal Opal Specifications Additional information Weight 4.26 ct Dimensions 13.7 × 9.7 × 3.3 mm Brightness B4 Very Bright Cut Freeform Dome Low Dome Opal Origin Lightning Ridge Predominant Colors Green Product Enquiry