0.47 ct black opal 7.4x4x2.2mm$300.00 USD USD AUD Out of stock SKU: GT2110 Category: Black Opal Opal Specifications Additional information Weight 0.47 ct Dimensions 7.4 × 4 × 2.2 mm Body Tone Black N2 Brightness B3 Bright Cut Oval Dome Medium Dome Opal Origin Lightning Ridge Predominant Colors Blue Product Enquiry