0.42 ct black opal 6x5x2mm$600.00 USD USD AUD Out of stock SKU: CW2147 Category: Black Opal Opal Specifications Additional information Weight 0.42 ct Dimensions 6 × 5 × 2 mm Body Tone Black N4 Brightness B3 Bright Cut Oval Dome Medium Dome Opal Origin Lightning Ridge Predominant Colors Blue, Green Product Enquiry