1.37 ct black opal 11.5×5.8×2.9mmUS$300.00 USD USD AUD Out of stock SKU: A22K4 Category: Black Opal Opal Specifications Additional information Weight 1.37 ct Dimensions 11.5 × 5.8 × 2.9 mm Body Tone Black N4 Brightness B3 Bright Cut Oval Dome Medium Dome Opal Origin Lightning Ridge Predominant Colors Green Product Enquiry