Australian black opal cobalt offers blue mixed shapes three stone Parcel designer gems largest is 14 mm x 6 mm x 3 mm deep. Total weight 4.5 carats

This listing is for a three stone parcel of black opal. The largest stone measures 14 mm offers x 6 mm x 3 mm deep the total weight of this parcel is 4.5 carats. All three of these stones are an intense cobalt blue color. Although these stones are small they're deep blue color warrants using them in a gold designer setting. Great value for the price.