3.56 ct cushion cut black opal 11x11x3mmUS$1,800.00 In Stock 3.56 ct cushion cut black opal 11x11x3mm quantity Add to cart SKU: CU1801 Category: Black Opal Opal Specifications Additional information Weight 3.56 ct Dimensions 11 × 11 × 3 mm Body Tone Black N4 Brightness B3 Bright Cut Cushion Dome Medium Dome Predominant Colors Green Opal Origin Lightning Ridge Product Enquiry