3.65 ct boulder opal 16.7×7.3×3.8mmUS$600.00 In Stock 3.65 ct boulder opal 16.7x7.3x3.8mm quantity Add to cart SKU: SB2316 Category: Boulder Opal Opal Specifications Additional information Weight 3.65 ct Dimensions 16.7 × 7.3 × 3.8 mm Brightness B2 Moderately Bright Cut Freeform Dome Medium Dome Opal Origin Queensland Predominant Colors Blue Product Enquiry