4.02ct gem black opal 10mm round x6mm$25,000.00 USD USD AUD Out of stock SKU: LAOYI2 Category: Black Opal Opal Specifications Additional information Weight 4.02 ct Dimensions 10 × 10 × 6 mm Body Tone Black N4 Predominant Colors Green, Red Brightness B5 Vivid Dome High Dome Cut Round Product Enquiry