6.68 ct crystal opal 18×14.7x4mm$6,000.00 USD USD AUD Out of stock SKU: BT2118 Category: Crystal Opal Opal Specifications Additional information Weight 6.68 ct Dimensions 18 × 14.7 × 4 mm Body Tone Light N7 Predominant Colors Green, Red Brightness B3 Bright Cut Oval Dome Medium Dome Opal Origin Andamooka Product Enquiry