You cannot add "3.66 ct black opal 15x11.5x3mm" to the cart because the product is out of stock. 1.85 ct black opal 9.9×7.9×4.1mm$4,700.00 USD USD AUD Out of stock SKU: HG2111 Category: Black Opal Opal Specifications Additional information Weight 1.85 ct Dimensions 9.9 × 7.9 × 4.1 mm Body Tone Black N4 Brightness B4 Very Bright Cut Drop Dome High Dome Opal Origin Lightning Ridge Predominant Colors Blue, Green, Gold Product Enquiry