You cannot add "1.72 ct black opal 11x7.5x3mm" to the cart because the product is out of stock. 3.47 ct gem black opal 12x9x5mm$6,000.00 USD USD AUD Out of stock SKU: A15913 Category: Black Opal Opal Specifications Additional information Weight 3.47 ct Dimensions 12 × 9 × 5 mm Body Tone Black N3 Predominant Colors Blue, Green Brightness B4 Very Bright Cut Oval Dome Medium Dome Product Enquiry