6.40 ct dark opal 16.5×9.2×6.4mmUS$3,500.00 In Stock 6.40 ct dark opal 16.5x9.2x6.4mm quantity Add to cart SKU: CW2171 Category: Dark Opal Opal Specifications Additional information Weight 6.40 ct Dimensions 16.5 × 9.2 × 6.4 mm Body Tone Dark N5 Brightness B3 Bright Cut Oval Dome High Dome Opal Origin Lightning Ridge Predominant Colors Blue, Green Product Enquiry