0.72 ct dark gem opal 8x5x2.5mmUS$800.00 USD USD AUD Out of stock SKU: OT18003 Category: Dark Opal Opal Specifications Additional information Weight 0.72 ct Dimensions 8 × 5 × 2.5 mm Body Tone Dark N5 Predominant Colors Green, Red Brightness B4 Very Bright Cut Oval Dome Medium Dome Product Enquiry