0.83 ct boulder opal 8.3×5.6×2.4mm$300.00 USD USD AUD Out of stock SKU: TG2333 Category: Boulder Opal Opal Specifications Additional information Weight 0.83 ct Dimensions 8.3 × 5.6 × 2.4 mm Brightness Bright B3 Cut Triangle Dome Low Dome Opal Origin Queensland Predominant Colors Orange Product Enquiry