1.81 ct gem black opal 14.5x7x2.5mmUS$4,500.00 USD USD AUD Out of stock SKU: LF1713 Category: Black Opal Product Description2.5 Opal Specifications Additional information Weight 1.81 ct Dimensions 14.5 × 7 × 2.5 mm Body Tone Black N4 Predominant Colors Blue, Red Brightness B4 Very Bright Cut Oval Dome Low Dome Opal Origin Lightning Ridge Product Enquiry