0.73 ct black opal 7x6x2mm$400.00 USD USD AUD Out of stock SKU: NO1915 Category: Black Opal Product Description 0N0A9485 from Black Opal Direct on Vimeo. Opal Specifications Additional information Weight 0.73 ct Dimensions 7 × 6 × 2 mm Body Tone Black N3 Predominant Colors Blue, Green Brightness B3 Bright Cut Oval Dome Medium Dome Product Enquiry