1.83 ct gem crystal opal 10mm round x 3mmUS$1,800.00 Out of stock SKU: MB204 Category: Crystal Opal Opal Specifications Additional information Weight 1.83 ct Dimensions 10 × 10 × 3 mm Body Tone Dark N6 Predominant Colors Blue, Red Brightness B4 Very Bright Cut Round Dome Medium Dome Product Enquiry