0.65 ct boulder opal 7.6×4.2×1.8mm$500.00 USD USD AUD Out of stock SKU: HK2302 Category: Boulder Opal Opal Specifications Additional information Weight 0.65 ct Dimensions 7.6 × 4.2 × 1.8 mm Brightness Bright B3 Cut Oval Dome Low Dome Opal Origin Queensland Predominant Colors Blue, Red Product Enquiry