11.9ct Solid Queensland Boulder Opal

Queensland Boulder Opal – Natural Loose Gemstone

Total Weight: 11.9cts

Origin: Queensland, Australia

Dimensions: 21mm x 18mm x 4mm (approx.)

Shape: Elongated Triangle

Colours: Purples

Cut: Flat Polished Surface

A gem of contrasts—smooth yet raw, dark yet luminous, this boulder opal is a rare fragment of earth and starlight, designed by nature and polished by hand.

Certificates of Authenticity

A digital Certificate of Authenticity is included with all opal pieces over $400 AUD, and available on request for any item.

Postage and Shipping Information

Australia: Express Post is FREE. Orders generally arrive in 2–5 business days.
International: $35AUD Standard Post. Orders generally arrive in 7–14 business days.

We ship five days a week with handling times under one day.

USA customers: A 10% import tariff is added at checkout so there are no extra charges on arrival.