0.57 ct dark opal 6.5x6x2mm$400.00 USD USD AUD Out of stock SKU: TD201035 Category: Dark Opal Opal Specifications Additional information Weight 0.57 ct Dimensions 6.5 × 6 × 2 mm Body Tone Dark N5 Predominant Colors Green, Red Brightness B4 Very Bright Cut Oval Dome Medium Dome Opal Origin Lightning Ridge Product Enquiry