3.80 ct black opal 11.5×11.5x4mm$2,000.00 USD USD AUD Out of stock SKU: HT2141 Category: Black Opal Opal Specifications Additional information Weight 3.80 ct Dimensions 11.5 × 11.5 × 4 mm Body Tone Black N2 Brightness B3 Bright Cut Round Dome Medium Dome Opal Origin Lightning Ridge Predominant Colors Blue Product Enquiry