3.92 ct black crystal opal 11.7×9.4×5.7mm$600.00 USD USD AUD Out of stock SKU: MTB2302 Category: Crystal Opal Opal Specifications Additional information Weight 3.92 ct Dimensions 11.7 × 9.4 × 5.7 mm Body Tone Black N4 Brightness B4 Very Bright Cut Oval Dome High Dome Opal Origin Lightning Ridge Predominant Colors Blue, Green Product Enquiry