8.57 ct dark opal 16mm round x5mm thickUS$2,500.00 In Stock 8.57 ct dark opal 16mm round x5mm thick quantity Add to cart SKU: A2021 Category: Dark Opal Opal Specifications Additional information Weight 8.57 ct Dimensions 16 × 16 × 5 mm Body Tone Dark N5 Brightness B3 Bright Cut Round Dome Medium Dome Predominant Colors Purple, Green Opal Origin Lightning Ridge Product Enquiry