1.72 ct black opal 7.9×7.8×4.3mmUS$2,500.00 USD USD AUD In Stock 1.72 ct black opal 7.9x7.8x4.3mm quantity Add to cart SKU: A22L01 Category: Black Opal Opal Specifications Additional information Weight 1.72 ct Dimensions 7.9 × 7.8 × 4.3 mm Body Tone Black N3 Brightness B4 Very Bright Cut Round Dome High Dome Opal Origin Lightning Ridge Predominant Colors Green Product Enquiry