2.80 ct black opal 12×8.5x4mm$4,300.00 USD USD AUD Out of stock SKU: LA1809 Category: Black Opal Tags: Duke Ring, Saxon Ring Opal Specifications Additional information Weight 2.80 ct Dimensions 12 × 8.5 × 4 mm Body Tone Black N3 Predominant Colors Blue, Green Brightness B3 Bright Cut Oval Dome Medium Dome Opal Origin Lightning Ridge Product Enquiry