1.66 ct gem black opal 8.7×8.1x4mmUS$4,500.00 In Stock 1.66 ct gem black opal 8.7x8.1x4mm quantity Add to cart SKU: N22O42 Category: Black Opal Tag: Radiant Ruthie Opal Specifications Additional information Weight 1.66 ct Dimensions 8.7 × 8.1 × 4 mm Body Tone Black N3 Brightness B3 Bright Cut Oval Dome Medium Dome Opal Origin Lightning Ridge Predominant Colors Green, Red, Gold Product Enquiry