3.92 ct boulder opal 16.1×9.1×3.2mmUS$1,200.00 Out of stock SKU: JN23013 Category: Boulder Opal Opal Specifications Additional information Weight 3.92 ct Dimensions 16.1 × 9.1 × 3.2 mm Brightness B4 Very Bright Cut Freeform Dome Low Dome Opal Origin Lightning Ridge Predominant Colors Blue, Gold Product Enquiry