6.69 ct black opal 16.8×16.8×3.3mmUS$800.00 Out of stock SKU: PA2118 Category: Black Opal Opal Specifications Additional information Weight 6.69 ct Dimensions 16.8 × 16.8 × 3.3 mm Body Tone Black N1 Brightness B2 Moderately Bright Cut Round Dome Low Dome Opal Origin Lightning Ridge Predominant Colors Blue Product Enquiry