3.97 ct black opal 13.7×8.6×5.3mmUS$2,500.00 In Stock 3.97 ct black opal 13.7x8.6x5.3mm quantity Add to cart SKU: LB213 Category: Black Opal Opal Specifications Additional information Weight 3.97 ct Dimensions 13.7 × 8.6 × 5.3 mm Body Tone Dark N5 Brightness B3 Bright Cut Oval Dome High Dome Opal Origin Lightning Ridge Predominant Colors Blue, Green Product Enquiry