1.40 ct gem black opal 8x7x4mm$5,500.00 USD USD AUD Out of stock SKU: WW201 Category: Black Opal Opal Specifications Additional information Weight 1.40 ct Dimensions 8 × 7 × 4 mm Body Tone Black N3 Predominant Colors Red, Gold Brightness B4 Very Bright Cut Oval Dome High Dome Opal Origin Lightning Ridge Product Enquiry