4.87 ct black crystal opal heart 17.3×17.1×2.7mmUS$700.00 Out of stock SKU: CW2145 Category: Black Opal Opal Specifications Additional information Weight 4.87 ct Dimensions 17.3 × 17.1 × 2.7 mm Body Tone Black N4 Brightness B2 Moderately Bright Cut Heart Dome Low Dome Opal Origin Lightning Ridge Predominant Colors Blue, Purple Product Enquiry