0.78 ct semi black opal 7x6x3mm$600.00 USD USD AUD Out of stock SKU: OSR1701 Category: Dark Opal Opal Specifications Additional information Weight 0.78 ct Dimensions 7 × 6 × 3 mm Body Tone Dark N5 Predominant Colors Green, Orange Cut Oval Dome Medium Dome Brightness B4 Very Bright Product Enquiry