0.63 ct black opal 6x4x2.5mm$700.00 USD USD AUD Out of stock SKU: G170811 Category: Black Opal Opal Specifications Additional information Weight 0.63 ct Dimensions 6 × 4 × 2.5 mm Body Tone Black N4 Predominant Colors Blue, Red Brightness B4 Very Bright Cut Oval Dome High Dome Product Enquiry