You cannot add "12.87 ct semi black large opal 21.5x14.5x6mm" to the cart because the product is out of stock. 1.92 ct black opal 10x7x3.5mm$1,800.00 USD USD AUD Out of stock SKU: AL1721 Category: Black Opal Opal Specifications Additional information Weight 1.92 ct Dimensions 10 × 7 × 3.5 mm Body Tone Black N4 Predominant Colors Green, Orange Brightness B3 Bright Cut Oval Dome Medium Dome Opal Origin Lightning Ridge Product Enquiry