3.28 ct boulder opal 13.3×7.2×3.4mm$800.00 USD USD AUD In Stock 3.28 ct boulder opal 13.3x7.2x3.4mm quantity — OR — Add to cart SKU: CM2307 Category: Boulder Opal Opal Specifications Additional information Weight 3.28 ct Dimensions 13.3 × 7.2 × 3.4 mm Brightness B2 Moderately Bright Cut Freeform Dome Low Dome Opal Origin Queensland Predominant Colors Green Product Enquiry