100% Solid Australian Opals • Carefully Selected & Finished in Australia • Direct from our Family Business — No Retail Markup • Worldwide Delivery










18.6ct Queensland Boulder Opal | Solid Australian Opal | Hand-Cut
Free shipping within Australia and flat rate international delivery.
Sourced from Australia’s best opal fields. Carefully selected, cut and finished by our family in Queensland.
⭐ Trusted by opal lovers worldwide with a 4.9 star rating
Queensland Boulder Opal – Natural Loose Gemstone
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.
This 18.6ct freeform boulder opal shows a full rainbow of colour, moderately bright to bright, across its ironstone. It is a natural, untreated solid opal from Queensland.
Opal Weight 18.6ct
Opal Dimensions
Origin Queensland, Australia
Brightness B2 to B3 - Moderately Bright to Bright
Body Tone N8 - Light Opal
Shape Freeform
Colours
✔ Solid Australian opal (no doublets or triplets)
✔ Hand-cut and set in Australia
✔ Certificate of Authenticity provided
✔ Fully insured shipping
✔ One of a kind
✔ Priced direct from the cutter and maker — no retail markup
This is the exact piece you’ll receive. Only one exists — once it’s gone, it’s gone.
Choose options










✔ Sourced from Australia’s best opal fields and carefully selected, cut and finished by our family
✔ Certified Opal Specialists · IGS Member · Opal Association of Australia
✔ Fully insured worldwide shipping
✔ Straightforward return policy
✔ Pay in instalments with Zip, Klarna & PayPal
A note about lighting: Opal needs light to show its colour. Our opals are photographed in natural sunlight, so for the best comparison, view your opal in good natural light. Its colour and appearance will naturally vary under different lighting conditions.
You will receive the exact piece shown in these photos.
Each opal or jewellery piece is individually photographed and completely one-of-a-kind — no stock images, no substitutions.
Certificates of Authenticity
Every piece of jewellery and loose opal includes a digital Certificate of Authenticity, confirming its genuine Australian opal provenance. Your certificate is available for download from your order confirmation page following purchase.
Postage and Shipping Information
Australia: FREE Express Post. Orders generally arrive in 2–5 business days.
International: $35 AUD Standard Post. Orders generally arrive in 7–14 business days.
We ship five days a week, with most orders dispatched within one business day.
US customers: Applicable tariffs, duties and customs clearance fees are calculated and collected automatically at checkout according to current US import requirements.
UK customers: Applicable duties and fees are calculated at checkout. UK VAT is not collected by us and may be payable upon delivery.
