3.79 ct black crystal opal 9.7×8.8×5.6mm$500.00 USD USD AUD Out of stock SKU: MU2305 Category: Crystal Opal Opal Specifications Additional information Weight 3.79 ct Dimensions 9.7 × 8.8 × 5.6 mm Body Tone Black N4 Brightness Bright B3 Cut Cushion Dome High Dome Opal Origin Lightning Ridge Predominant Colors Green Product Enquiry