0.75 ct crystal opal 6.4×5.7×3.2mm$400.00 USD USD AUD Out of stock SKU: A22K6 Category: Crystal Opal Opal Specifications Additional information Weight 0.75 ct Dimensions 6.4 × 5.7 × 3.2 mm Body Tone Dark N6 Brightness B3 Bright Cut Round Dome High Dome Opal Origin Lightning Ridge Predominant Colors Blue Product Enquiry