11.89 Ct large boulder opal Shape_Geometric A lovely rectangle boulder opal

A lovely rectangle boulder opal with a bright green-blue horizon

A lovely striped narrow rectangle boulder opal

A lovely small rainbow and caramel heart boulder opal

with blue and purple swirls

A dreamy large ocean boulder opal with bright green and blue colours

11.89 Ct large boulder opal Shape_Geometric A lovely rectangle boulder opalA lovely large boulder opal from our inexpensive range. Opals in our 'Create a Parcel' can be paired together to create a great value boulder opal parcel. When you purchase 2 or more opals from our 'Create a parcel' category, you receive a 15% discount on them. Prices are calculated at checkout.