0.40 ct dark opal 6.5×3.9×2.1mm$100.00 USD USD AUD In Stock 0.40 ct dark opal 6.5x3.9x2.1mm quantity — OR — Add to cart SKU: RTW2539 Category: Dark Opal Opal Specifications Additional information Weight 0.40 ct Dimensions 6.5 × 3.9 × 2.1 mm Body Tone Dark N6 Brightness B3 Bright Cut Oval Dome Low Dome Opal Origin Lightning Ridge Predominant Colors Blue, Orange Product Enquiry