2.86 ct black opal 13x10x3mmUS$3,000.00 USD USD AUD Out of stock SKU: CM1601 Category: Black Opal Tags: Duke Ring, Men's Essentials Opal Specifications Additional information Weight 2.86 ct Dimensions 13 × 10 × 3 mm Body Tone Black N3 Predominant Colors Blue, Green Brightness B3 Bright Cut Oval Dome Low Dome Opal Origin Lightning Ridge Product Enquiry