0.90 ct black opal 6.9×6.8×3.1mm$400.00 USD USD AUD Out of stock SKU: WTO2309 Category: Black Opal Tag: Black Beauties Opal Specifications Additional information Weight 0.90 ct Dimensions 6.9 × 6.8 × 3.1 mm Body Tone Black N3 Brightness Bright B3 Cut Round Dome Medium Dome Opal Origin Lightning Ridge Predominant Colors Blue, Green Product Enquiry