3.16 ct double-sided black crystal opal 10.4×8.4x6mm$4,000.00 USD USD AUD Out of stock SKU: YT22BC Category: Black Opal Tag: YouTube Product Description Opal Specifications Additional information Weight 3.16 ct Dimensions 10.4 × 8.4 × 6 mm Body Tone Black N3 Brightness B4 Very Bright Cut Oval Dome High Dome Opal Origin Lightning Ridge Predominant Colors Blue, Green Product Enquiry