0.87 ct dark opal 6mm round x 3mm thickUS$500.00 In Stock 0.87 ct dark opal 6mm round x 3mm thick quantity Add to cart SKU: B18G12 Category: Dark Opal Opal Specifications Additional information Weight 0.87 ct Dimensions 6 × 6 × 3 mm Body Tone Dark N5 Brightness B4 Very Bright Cut Round Dome Medium Dome Predominant Colors Green Opal Origin Lightning Ridge Product Enquiry