3.66 ct black opal 17.4×14.8×2.2mm$500.00 USD USD AUD Out of stock SKU: TT2114 Category: Black Opal Opal Specifications Additional information Weight 3.66 ct Dimensions 17.4 × 14.8 × 2.2 mm Body Tone Black N2 Brightness B3 Bright Cut Freeform Dome Medium Dome Opal Origin Lightning Ridge Predominant Colors Blue Product Enquiry