2.53 ct gem black opal 10x9x4mm$5,200.00 USD USD AUD Out of stock SKU: BG15081 Category: Black Opal Opal Specifications Additional information Weight 2.53 ct Dimensions 10 × 9 × 4 mm Body Tone Black N3 Predominant Colors Green, Red Brightness B4 Very Bright Cut Oval Dome Medium Dome Product Enquiry