1.31 ct black opal 7.5×6.8×4.2mmUS$5,500.00 In Stock 1.31 ct black opal 7.5x6.8x4.2mm quantity Add to cart SKU: N22O34 Category: Black Opal Opal Specifications Additional information Weight 1.31 ct Dimensions 7.5 × 6.8 × 4.2 mm Body Tone Black N4 Brightness B4 Very Bright Cut Oval Dome High Dome Opal Origin Lightning Ridge Predominant Colors Red Product Enquiry