16.54 ct boulder opal 28×14.4×5.1mm$700.00 USD USD AUD In Stock 16.54 ct boulder opal 28x14.4x5.1mm quantity — OR — Add to cart SKU: UO2306 Category: Boulder Opal Opal Specifications Additional information Weight 16.54 ct Dimensions 28 × 14.4 × 5.1 mm Brightness B2 Moderately Bright Cut Freeform Dome Low Dome Opal Origin Queensland Predominant Colors Green Product Enquiry