0.37 ct black opal 4.7×4.7×2.3mmUS$800.00 USD USD AUD Out of stock SKU: A22X01 Category: Black Opal Opal Specifications Additional information Weight 0.37 ct Dimensions 4.7 × 4.7 × 2.3 mm Body Tone Black N2 Brightness B5 Vivid Cut Round Dome Medium Dome Opal Origin Lightning Ridge Predominant Colors Green Product Enquiry