0.42 ct black opal 6.4×4.8×2.1mm$350.00 USD USD AUD Out of stock SKU: A22WW85 Category: Black Opal Tag: Gold Rush Opal Specifications Additional information Weight 0.42 ct Dimensions 6.4 × 4.8 × 2.1 mm Body Tone Black N2 Brightness Bright B3 Cut Oval Dome Low Dome Opal Origin Lightning Ridge Predominant Colors Green, Gold Product Enquiry