5.86 ct semi black crystal opal 15x11x5.5US$4,600.00 Out of stock SKU: LS1607 Category: Dark Opal Opal Specifications Additional information Weight 5.86 ct Dimensions 15 × 11 × 5.5 mm Body Tone Dark N5 Predominant Colors Blue, Green Brightness B4 Very Bright Cut Oval Dome Medium Dome Opal Origin Lightning Ridge Product Enquiry