2.84 ct boulder opal pair 7.9x8x3.1mmUS$30.00 Out of stock SKU: C2205 Category: Boulder Opal Opal Specifications Additional information Weight 2.84 ct Dimensions 7.9 × 8 × 3.1 mm Brightness B2 Moderately Bright Cut Round Dome Medium Dome Opal Origin Lightning Ridge Predominant Colors Blue Product Enquiry