7.15 ct crystal opal 21×8.5×5.5mm$1,000.00 USD USD AUD Out of stock SKU: ST1905 Category: Crystal Opal Product Description 0N0A8777 from Black Opal Direct on Vimeo. Opal Specifications Additional information Weight 7.15 ct Dimensions 21 × 8.5 × 5.5 mm Body Tone Dark N6 Predominant Colors Blue, Green Brightness Moderately Bright B2 Cut Oval Dome High Dome Product Enquiry