0.51 ct black opal gem 7x5x2mmUS$559.20 Out of stock SKU: S1421005 Category: Black Opal Opal Specifications Additional information Weight 0.51 ct Dimensions 7 × 5 × 2 mm Predominant Colors Green, Red Body Tone Black N2 Brightness B4 Very Bright Cut Oval Dome Medium Dome Product Enquiry