1.70 ct black opal 10.2×7.4×3.5mm$800.00 USD USD AUD Out of stock SKU: SEP2409 Category: Black Opal Tag: Gift Guide Under US$1000 Opal Specifications Additional information Weight 1.70 ct Dimensions 10.2 × 7.4 × 3.5 mm Body Tone Black N3 Brightness B3 Bright Cut Oval Dome Low Dome Opal Origin Lightning Ridge Predominant Colors Blue, Green Product Enquiry