2.88 ct gem black opal 11x8x4mm$5,700.00 USD USD AUD Out of stock SKU: FA1727 Category: Black Opal Opal Specifications Additional information Weight 2.88 ct Dimensions 11 × 8 × 4 mm Body Tone Black N1 Brightness B4 Very Bright Cut Oval Dome Low Dome Predominant Colors Green Product Enquiry