8.53 ct gem boulder opal 19x10x5mm$6,800.00 USD USD AUD Out of stock SKU: LZ1910 Category: Boulder Opal Opal Specifications Additional information Weight 8.53 ct Dimensions 19 × 10 × 5 mm Body Tone Dark N5 Predominant Colors Green, Orange Brightness B3 Bright Cut Oval Dome Medium Dome Opal Origin Queensland Product Enquiry