10.65 ct top gem black opal 19.2×12.3×7.9mmUS$400,000.00 In Stock 10.65 ct top gem black opal 19.2x12.3x7.9mm quantity Add to cart SKU: TG21AN Category: Black Opal Tag: Best of the Best Opal Specifications Additional information Weight 10.65 ct Dimensions 19.2 × 12.3 × 7.9 mm Body Tone Black N3 Brightness B5 Vivid Cut Freeform Dome High Dome Opal Origin Lightning Ridge Predominant Colors Blue, Red Product Enquiry