1.31 ct black opal gem 8x7x3mm$2,800.00 USD USD AUD Out of stock SKU: D144210 Category: Black Opal Opal Specifications Additional information Weight 1.31 ct Dimensions 8 × 7 × 3 mm Body Tone Black N4 Predominant Colors Green, Orange Brightness B5 Vivid Cut Oval Dome Low Dome Product Enquiry