0.77 ct black opal 7.2x5x3mmUS$2,000.00 USD USD AUD Out of stock SKU: HG2101 Category: Black Opal Opal Specifications Additional information Weight 0.77 ct Dimensions 7.2 × 5 × 3 mm Body Tone Black N4 Brightness B4 Very Bright Cut Oval Dome Medium Dome Opal Origin Lightning Ridge Predominant Colors Blue, Red Product Enquiry