0.31 ct black opal 5.7×4.6×1.8mmUS$200.00 In Stock 0.31 ct black opal 5.7x4.6x1.8mm quantity Add to cart SKU: D22M01 Category: Black Opal Opal Specifications Additional information Weight 0.31 ct Dimensions 5.7 × 4.6 × 1.8 mm Body Tone Black N4 Brightness B3 Bright Cut Oval Dome Medium Dome Opal Origin Lightning Ridge Predominant Colors Green Product Enquiry