1.13 Ct small boulder opal Unusual colour combinations A stunning full-faced marquise-shaped boulder

A stunning full-faced marquise-shaped boulder opal

A lovely extra small boulder opal with bright green and blue colours

47 Ct triangle boulder opal with gem-grade rainbow stripes

This remarkable process results in the meticulous preservation of intricate internal structures

A triangle matrix boulder opal

1.13 Ct small boulder opal Unusual colour combinations A stunning full-faced marquise-shaped boulderA lovely small 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.