Freeform Australian Boulder Opal Approx 25.5x16.5mm

This Australian freeform boulder opal has interesting patterns across its surface with little flashes of green opal, and it's irregular shape makes it a great choice for a one-of-a-kind jewellery creation.

For more information on boulder opals visit our 'Boulder Opal' information page.

• Cabochon
• Size: approximately 25.5x16.5mm
• Has a hardness of 5.5-6 on the Mohs scale
• Natural genuine gemstone - no treatment - as these are natural stones they may have slight surface imperfections
• Birthstone of October
• Healing properties: calming, comforting and happiness
• Sold individually, the opal pictured is the one you will receive on purchase
• Country of origin: Australia

• Dispatch days: Monday to Friday (ex Bank Holidays).
• Typical turnaround: Most orders are shipped the same day if placed before our cutoff.
• During busy periods: Dispatch may take longer during sales events or for complex/custom orders.
• Special Delivery cutoff: Orders for Special Delivery must be placed by 12 noon for same day dispatch.

UK Delivery Options

• Free UK Delivery - Orders over £50.
• Standard Delivery - 3–5 working days with Royal Mail Tracked 48.
• Express Delivery - 1–2 working days with Royal Mail Tracked 24 - only £4.99.
• Special Delivery - Next working day with Royal Mail - from £7.99.
• Courier Delivery - Next working day with FedEx - from £14.99.

International Delivery

• Method: Sent via Royal Mail Tracked, handed over to your local postal service for final delivery.
• Estimated time: Usually 5–10 working days.
• Cost: Starts from £12.99 (varies by destination and order weight).
• Important note: Local import duties, taxes, or customs fees may apply and are payable by the recipient on arrival (not included in our shipping charge).

EU Delivery

• We do not currently ship to EU countries.

US Delivery

• Delivery to the US is temporarily suspended due to recent import tax changes.

Additional Notes

• All times are working days (excluding weekends and public holidays).
• Track your order using the details sent in your confirmation email.

Questions? Contact us

Full delivery and collection information

• You can return unused items in their original packaging within 30 days of delivery.
• Earrings and earring parts cannot be returned for hygiene reasons.
• Return shipping is at your cost unless the item is faulty or damaged in transit.

Full returns and refund information