0.45 ct black opal pair 4x4x1.7mm$450.00 USD USD AUD Out of stock SKU: SBR2403 Category: Black Opal Opal Specifications Additional information Weight 0.45 ct Dimensions 4 × 4 × 1.7 mm Body Tone Black N4 Brightness B2 Moderately Bright Cut Round, Pair Dome Low Dome Opal Origin Lightning Ridge Predominant Colors Green, Orange Product Enquiry