1.68 ct dark opal 10x8x3mm$2,500.00 USD USD AUD Out of stock SKU: A1805 Category: Dark Opal Opal Specifications Additional information Weight 1.68 ct Dimensions 10 × 8 × 3 mm Body Tone Dark N5 Predominant Colors Green, Orange Brightness Very Bright B4 Cut Oval Dome Low Dome Opal Origin Lightning Ridge Product Enquiry