3.25 ct boulder opal 13.7x8x3mm$300.00 USD USD AUD Out of stock SKU: ZC2311 Category: Boulder Opal Opal Specifications Additional information Weight 3.25 ct Dimensions 13.7 × 8 × 3 mm Brightness B3 Bright Cut Freeform Dome Low Dome Opal Origin Lightning Ridge Predominant Colors Blue Product Enquiry