3.37 ct boulder opal square 10x10x3mm$500.00 USD USD AUD Out of stock SKU: TB160025 Category: Boulder Opal Opal Specifications Additional information Weight 3.37 ct Dimensions 10 × 10 × 3 mm Predominant Colors Green, Red Body Tone Black N3 Brightness B3 Bright Cut Dome Low Dome Product Enquiry