3.88 ct boulder opal 17.4×6.3×3.7mm$550.00 USD USD AUD In Stock 3.88 ct boulder opal 17.4x6.3x3.7mm quantity — OR — Add to cart SKU: CM2322 Category: Boulder Opal Opal Specifications Additional information Weight 3.88 ct Dimensions 17.4 × 6.3 × 3.7 mm Brightness B2 Moderately Bright Cut Freeform Dome Low Dome Opal Origin Queensland Predominant Colors Green Product Enquiry