1.64 ct black opal 11.1×7.7×2.1mm$1,000.00 USD USD AUD Out of stock SKU: MT2106 Category: Black Opal Opal Specifications Additional information Weight 1.64 ct Dimensions 11.1 × 7.7 × 2.1 mm Body Tone Black N3 Brightness B3 Bright Cut Oval Dome Medium Dome Opal Origin Lightning Ridge Predominant Colors Blue, Green Product Enquiry