You cannot add "2.79 ct black opal gem 12x7.5x4.5mm" to the cart because the product is out of stock. 0.68 ct black opal 6.5x5x2.5mm$400.00 USD USD AUD Out of stock SKU: F2018 Category: Black Opal Opal Specifications Additional information Weight 0.68 ct Dimensions 6.5 × 5 × 2.5 mm Body Tone Black N3 Brightness B3 Bright Cut Oval Dome Medium Dome Predominant Colors Green Product Enquiry