0.54 ct gem black opal 6.5x5x2.5mmUS$199.20 Out of stock SKU: T1450003 Category: Black Opal Opal Specifications Additional information Weight 0.54 ct Dimensions 6.5 × 5 × 2.5 mm Predominant Colors Green, Blue Body Tone Black N4 Brightness B4 Very Bright Cut Oval Dome Medium Dome Product Enquiry