0.29 ct black opal 6.1×4.2×1.8mmUS$400.00 Out of stock SKU: CW2153 Category: Black Opal Opal Specifications Additional information Weight 0.29 ct Dimensions 6.1 × 4.2 × 1.8 mm Body Tone Black N4 Brightness B4 Very Bright Cut Drop Dome Medium Dome Opal Origin Lightning Ridge Predominant Colors Blue, Green, Red Product Enquiry