0.68 ct black opal 8.4×4.9×2.4mm$300.00 USD USD AUD Out of stock SKU: CL2122 Category: Black Opal Opal Specifications Additional information Weight 0.68 ct Dimensions 8.4 × 4.9 × 2.4 mm Body Tone Black N2 Brightness B2 Moderately Bright Cut Drop Dome Medium Dome Opal Origin Lightning Ridge Predominant Colors Blue, Green Product Enquiry