6.45 ct black opal 17.4×11.8×4.9mm$3,000.00 USD USD AUD Out of stock SKU: LS2185 Category: Black Opal Opal Specifications Additional information Weight 6.45 ct Dimensions 17.4 × 11.8 × 4.9 mm Body Tone Black N3 Brightness B2 Moderately Bright Cut Oval Dome Low Dome Opal Origin Lightning Ridge Predominant Colors Blue, Green Product Enquiry