1.74 ct black opal 8.5x7x4mm$159.20 USD USD AUD Out of stock SKU: A1400068 Category: Black Opal Product DescriptionNice shape and size. The stone is a little dark but has nice blue color Opal Specifications Additional information Weight 1.74 ct Dimensions 8.5 × 7 × 4 mm Predominant Colors Blue Body Tone Black N3 Brightness B2 Moderately Bright Cut Oval Dome Medium Dome Product Enquiry