2.80 ct boulder opal 11.2×7.7×3.6mmUS$1,500.00 USD USD AUD In Stock 2.80 ct boulder opal 11.2x7.7x3.6mm quantity Add to cart SKU: HK2309 Category: Boulder Opal Opal Specifications Additional information Weight 2.80 ct Dimensions 11.2 × 7.7 × 3.6 mm Brightness B3 Bright Cut Freeform Dome Low Dome Opal Origin Queensland Predominant Colors Blue, Green Product Enquiry