2.31 ct black opal 11.7×8.6×3.3mmUS$600.00 Out of stock SKU: HT2133 Category: Black Opal Tags: Duke Ring, Saxon Ring Opal Specifications Additional information Weight 2.31 ct Dimensions 11.7 × 8.6 × 3.3 mm Body Tone Black N2 Brightness B2 Moderately Bright Cut Oval Dome Medium Dome Opal Origin Lightning Ridge Predominant Colors Blue, Green, Gold Product Enquiry