0.73 ct black opal 6.4×6.1×2.1mmUS$200.00 Out of stock SKU: B22A66 Category: Black Opal Opal Specifications Additional information Weight 0.73 ct Dimensions 6.4 × 6.1 × 2.1 mm Body Tone Black N2 Brightness B2 Moderately Bright Cut Cushion Dome Medium Dome Opal Origin Lightning Ridge Predominant Colors Blue, Green Product Enquiry