1.72 ct black opal 9.9×7.3×3.8mmUS$6,800.00 In Stock 1.72 ct black opal 9.9x7.3x3.8mm quantity Add to cart SKU: TDY2307 Category: Black Opal Opal Specifications Additional information Weight 1.72 ct Dimensions 9.9 × 7.3 × 3.8 mm Body Tone Black N4 Brightness B4 Very Bright Cut Oval Dome Medium Dome Opal Origin Lightning Ridge Predominant Colors Blue, Red Product Enquiry