1.52 ct gem black opal 7x6x5mm$3,000.00 USD USD AUD Out of stock SKU: 198M18 Category: Black Opal Opal Specifications Additional information Weight 1.52 ct Dimensions 7 × 6 × 5 mm Body Tone Black N4 Predominant Colors Green, Gold Brightness B4 Very Bright Cut Oval Dome High Dome Opal Origin Lightning Ridge Product Enquiry