0.66 ct black opal 6.9x7x2.4mm$200.00 USD USD AUD Out of stock SKU: HT2146 Category: Black Opal Opal Specifications Additional information Weight 0.66 ct Dimensions 6.9 × 5.7 × 2.4 mm Body Tone Black N4 Brightness B3 Bright Cut Oval Dome Medium Dome Opal Origin Lightning Ridge Predominant Colors Green, Gold Product Enquiry