You cannot add "3.80 ct gem semi black opal 13x10x4.2mm" to the cart because the product is out of stock. 2.78 ct semi black opal 12x11x3mm$300.00 USD USD AUD Out of stock SKU: A1300063 Category: Dark Opal Opal Specifications Additional information Weight 2.78 ct Dimensions 12 × 11 × 3 mm Body Tone Dark N6 Predominant Colors Green, Red Brightness B2 Moderately Bright Cut Oval Dome Low Dome Product Enquiry