2.75 ct black crystal opal 11x9x4mmUS$1,500.00 In Stock 2.75 ct black crystal opal 11x9x4mm quantity Add to cart SKU: GL1917 Category: Black Opal Tags: Duke Ring, Men's Essentials, Saxon Ring Opal Specifications Additional information Weight 2.75 ct Dimensions 11 × 9 × 4 mm Body Tone Black N4 Brightness B3 Bright Cut Oval Dome Medium Dome Predominant Colors Green Opal Origin Lightning Ridge Product Enquiry