2.51 ct semi black opal 10x9x4mmUS$2,500.00 Out of stock SKU: 15RT01 Category: Dark Opal Opal Specifications Additional information Weight 2.51 ct Dimensions 10 × 9 × 4 mm Body Tone Dark N6 Predominant Colors Green, Red Brightness B4 Very Bright Cut Oval Dome Medium Dome Product Enquiry