0.50 ct semi black opal 6.5×4.5x2mmUS$280.00 Out of stock SKU: S160C Category: Dark Opal Opal Specifications Additional information Weight 0.50 ct Dimensions 6.5 × 4.5 × 2 mm Body Tone Dark N5 Brightness B4 Very Bright Cut Oval Dome Medium Dome Predominant Colors Green Product Enquiry