2.21 ct dark opal 12x8x4mm$2,800.00 USD USD AUD Out of stock SKU: A21C12 Category: Dark Opal Opal Specifications Additional information Weight 2.21 ct Dimensions 12 × 8 × 4 mm Predominant Colors Blue, Green Body Tone Dark N5 Brightness Bright B3 Cut Drop Dome Medium Dome Opal Origin Lightning Ridge Product Enquiry