0.75 ct black opal gem 9.5x6x2mm$2,000.00 USD USD AUD Out of stock SKU: PT18004 Category: Black Opal Opal Specifications Additional information Weight 0.75 ct Dimensions 9.5 × 6 × 2 mm Body Tone Black N4 Predominant Colors Green, Orange Brightness Very Bright B4 Cut Oval Dome Low Dome Opal Origin Lightning Ridge Product Enquiry