0.37 ct black opal 5×4.5×2.7mmUS$250.00 USD USD AUD Out of stock SKU: A22C1 Category: Black Opal Opal Specifications Additional information Weight 0.37 ct Dimensions 5 × 4.5 × 2.7 mm Body Tone Black N2 Brightness B4 Very Bright Cut Round Dome High Dome Opal Origin Lightning Ridge Predominant Colors Green Product Enquiry