11.41 ct semi black opal 18x15x6mmUS$6,000.00 In Stock 11.41 ct semi black opal 18x15x6mm quantity Add to cart SKU: C16028 Category: Dark Opal Opal Specifications Additional information Weight 11.41 ct Dimensions 18 × 15 × 6 mm Body Tone Light N7 Predominant Colors Green, Orange Brightness B3 Bright Cut Oval Dome Medium Dome Opal Origin Lightning Ridge Product Enquiry