0.74 ct black opal 7.7×6.2×2.3mm$500.00 USD USD AUD Out of stock SKU: LA2065 Category: Black Opal Opal Specifications Additional information Weight 0.74 ct Dimensions 7.7 × 6.2 × 2.3 mm Body Tone Black N3 Brightness B3 Bright Cut Oval Dome Medium Dome Predominant Colors Green Opal Origin Lightning Ridge Product Enquiry