3.74 ct gem black opal 12×8.5×5.5mmUS$3,000.00 Out of stock SKU: TGO1701 Category: Black Opal Opal Specifications Additional information Weight 3.74 ct Dimensions 12 × 8.5 × 5.5 mm Body Tone Black N2 Predominant Colors Blue, Green Brightness B3 Bright Cut Oval Dome Medium Dome Product Enquiry