4.98 ct dark opal 18×10.5x3mm$1,500.00 USD USD AUD Out of stock SKU: BN1903 Category: Dark Opal Product Description 0N0A9568 from Black Opal Direct on Vimeo. Opal Specifications Additional information Weight 4.98 ct Dimensions 18 × 10.5 × 3 mm Body Tone Dark N5 Brightness B3 Bright Cut Oval Dome Low Dome Predominant Colors Red Product Enquiry