4.10 ct boulder opal 17.3×8.1×3.2mmUS$300.00 In Stock 4.10 ct boulder opal 17.3x8.1x3.2mm quantity Add to cart SKU: SB2353 Category: Boulder Opal Opal Specifications Additional information Weight 4.1 ct Dimensions 17.3 × 8.1 × 3.2 mm Brightness B1 Subdued Cut Drop Dome Low Dome Opal Origin Queensland Predominant Colors Blue Product Enquiry