0.67 ct back opal 8.2×5.4×2.2mmUS$300.00 USD USD AUD Out of stock SKU: TD2088 Category: Black Opal Opal Specifications Additional information Weight 0.67 ct Dimensions 8.2 × 5.4 × 2.2 mm Body Tone Black N3 Brightness B4 Very Bright Cut Freeform Dome Medium Dome Opal Origin Lightning Ridge Predominant Colors Green Product Enquiry