0.66 ct semi black opal 7x6x2.5mm$199.00 USD USD AUD Out of stock SKU: T400108 Category: Dark Opal Opal Specifications Additional information Weight 0.66 ct Dimensions 7 × 6 × 2.5 mm Predominant Colors Green, Orange Body Tone Black N3 Brightness B3 Bright Cut Oval Dome Medium Dome Product Enquiry