0.55 ct black opal 6.8×4.9×2.5mmUS$700.00 USD USD AUD Out of stock SKU: A22E3 Category: Black Opal Opal Specifications Additional information Weight 0.55 ct Dimensions 6.8 × 4.9 × 2.5 mm Body Tone Black N2 Brightness B4 Very Bright Cut Oval Dome Medium Dome Opal Origin Lightning Ridge Predominant Colors Green, Red Product Enquiry