3.81 ct black opal gem 13x10x4mmUS$1,600.00 Out of stock SKU: L1300005 Category: Black Opal Product DescriptionAmazing gem wit green and orange colors. All the attributes of a nice black opal Opal Specifications Additional information Weight 3.18 ct Dimensions 13 × 10 × 4 mm Body Tone Black N4 Predominant Colors Green, Orange Brightness B4 Very Bright Cut Oval Dome Medium Dome Product Enquiry