0.75 ct black opal 7.1×5.3×2.9mm$200.00 USD USD AUD Out of stock SKU: SG22110 Category: Black Opal Opal Specifications Additional information Weight 0.75 ct Dimensions 7.1 × 5.3 × 2.9 mm Body Tone Black N1 Brightness B3 Bright Cut Oval Dome High Dome Opal Origin Lightning Ridge Predominant Colors Green Product Enquiry