6.70 ct semi black opal 15x12x5mmUS$1,200.00 Out of stock SKU: C16075 Category: Dark Opal Opal Specifications Additional information Weight 6.70 ct Dimensions 15 × 12 × 5 mm Body Tone Dark N5 Brightness B3 Bright Cut Oval Dome Medium Dome Predominant Colors Green Opal Origin Lightning Ridge Product Enquiry