2.13 Ct small boulder opal Crystal A lovely small green and

A lovely small green and purple boulder opal specimen shaped like a large tooth or tusk

Natural solid boulder opal specimen

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

A pretty half-circle wood replacement opal with light green and purple colours

45 carat boulder opal has a rare combination of colors including orange

2.13 Ct small boulder opal Crystal A lovely small green andA 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.