2.51 ct dark opal 9.9×7.7×5.1mm$800.00 USD USD AUD Out of stock SKU: L22T5 Category: Dark Opal Opal Specifications Additional information Weight 2.51 ct Dimensions 9.9 × 7.7 × 5.1 mm Body Tone Dark N6 Brightness B3 Bright Cut Oval Dome High Dome Opal Origin Lightning Ridge Predominant Colors Blue, Red Product Enquiry