0.61 ct black opal 6.7x5x2.8mm$400.00 USD USD AUD Out of stock SKU: PG2107 Category: Black Opal Opal Specifications Additional information Weight 0.61 ct Dimensions 6.7 × 5 × 2.8 mm Body Tone Black N4 Brightness B3 Bright Cut Oval Dome Medium Dome Opal Origin Lightning Ridge Predominant Colors Blue, Green, Gold Product Enquiry