0.23 ct black opal 3.8×3.8×2.5mm$350.00 USD USD AUD Out of stock SKU: NTS2417 Category: Black Opal Opal Specifications Additional information Weight 0.23 ct Dimensions 3.8 × 3.8 × 2.5 mm Body Tone Black N1 Brightness Bright B3 Cut Round Dome High Dome Opal Origin Lightning Ridge Predominant Colors Blue Product Enquiry