0.76 ct crystal opal 7x6x3mm$700.00 USD USD AUD Out of stock SKU: VR1901 Category: Crystal Opal Product Description 0N0A9176 from Black Opal Direct on Vimeo. Opal Specifications Additional information Weight 0.76 ct Dimensions 7 × 6 × 3 mm Body Tone Dark N6 Predominant Colors Green, Orange Brightness Very Bright B4 Cut Oval Dome Medium Dome Product Enquiry