0.64 ct black opal 8×5.1×2.4mm$550.00 USD USD AUD Out of stock SKU: EN2152 Category: Black Opal Opal Specifications Additional information Weight 0.64 ct Dimensions 8 × 5.1 × 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