0.37 ct black opal 6×3.8×2.3mmUS$250.00 USD USD AUD Out of stock SKU: A22K8 Category: Black Opal Opal Specifications Additional information Weight 0.37 ct Dimensions 6 × 3.8 × 2.3 mm Body Tone Black N1 Brightness B2 Moderately Bright Cut Oval Dome Medium Dome Opal Origin Lightning Ridge Predominant Colors Green Product Enquiry