2.81 ct boulder opal 16.7×6.4x3mm$250.00 USD USD AUD In Stock 2.81 ct boulder opal 16.7x6.4x3mm quantity — OR — Add to cart SKU: SB2357 Category: Boulder Opal Opal Specifications Additional information Weight 2.81 ct Dimensions 16.7 × 6.4 × 3 mm Brightness B1 Subdued Cut Freeform Dome Low Dome Opal Origin Queensland Predominant Colors Blue Product Enquiry