0.50 ct black opal 6×4.5x2mm$200.00 USD USD AUD Out of stock SKU: NO1933 Category: Black Opal Product Description 0N0A9468 from Black Opal Direct on Vimeo. Opal Specifications Additional information Weight 0.50 ct Dimensions 6 × 4.5 × 2 mm Body Tone Black N3 Predominant Colors Blue, Green Brightness B3 Bright Cut Oval Dome Medium Dome Product Enquiry