1.67 ct black opal gem 10x8x3mm$3,500.00 USD USD AUD Out of stock SKU: OL1601 Category: Black Opal Opal Specifications Additional information Weight 1.67 ct Dimensions 10 × 8 × 3 mm Predominant Colors Blue, Green Body Tone Black N4 Brightness B5 Vivid Cut Oval Dome Low Dome Product Enquiry