0.62 ct black opal 8.6×6.4x2mm$250.00 USD USD AUD Out of stock SKU: SG22109 Category: Black Opal Opal Specifications Additional information Weight 0.62 ct Dimensions 8.6 × 6.4 × 2 mm Body Tone Black N4 Brightness B3 Bright Cut Freeform Dome Medium Dome Opal Origin Lightning Ridge Predominant Colors Green Product Enquiry