0.66 ct black opal 6.8×5.2×2.7mm$400.00 USD USD AUD Out of stock SKU: MBL2451 Category: Black Opal Opal Specifications Additional information Weight 0.66 ct Dimensions 6.8 × 5.2 × 2.7 mm Body Tone Black N2 Brightness B3 Bright Cut Oval Dome Medium Dome Opal Origin Lightning Ridge Predominant Colors Green Product Enquiry