0.68 ct black opal 7.6×6.3×2.2mm$200.00 USD USD AUD Out of stock SKU: ET2406 Category: Black Opal Opal Specifications Additional information Weight 0.68 ct Dimensions 7.6 × 6.3 × 2.2 mm Body Tone Black N3 Brightness B2 Moderately Bright Cut Drop Dome Low Dome Opal Origin Lightning Ridge Predominant Colors Gold Product Enquiry