0.71 ct black opal 7×6.8×2.8mmUS$600.00 USD USD AUD Out of stock SKU: V211 Category: Black Opal Opal Specifications Additional information Weight 0.71 ct Dimensions 7 × 6.8 × 2.8 mm Body Tone Black N4 Brightness B4 Very Bright Cut Triangle Dome Medium Dome Opal Origin Lightning Ridge Predominant Colors Blue, Green Product Enquiry