Published by Contest Reminder

Published

From the official rules
Check the official rules for full details before entering.

Prize
Conditional Argyle-certified Australian pink diamond valued at AUD 50,000, with a jewellery design consultation, up to AUD 2,500 manufacturing allowance and proposed 12-month Q Report insurance subject to policy requirements. The unsuccessful major prize contender receives a AUD 5,000 Xennox Diamonds gift card; four other category winners each receive a AUD 2,000 gift card. Source for Prize
Number of prizes
5 Source for Number of prizes
Number of winners
5 Source for Number of winners
Prize value
50000.00 Source for Prize value
Prize currency
AUD Source for Prize currency
Minimum age
13 Source for Minimum age
Purchase requirement
No purchase required; nominations are free. Source for Purchase requirement
Exclusions
Xennox employees, campaign contractors, judges and their immediate family members cannot nominate. Nominations require a genuine Greater Brisbane connection. The diamond must be incorporated into finished jewellery, and manufacturing costs above AUD 2,500 are payable by the winner. Source for Exclusions
Instant win
no Source for Instant win
Deadline: Nov 15, 2026
Entry: Unlimited
Eligible Locations:
Status: Open

The Brisbane Treasures competition by Xennox Diamonds celebrates the people, places, institutions, cultural works and traditions connected to Brisbane. The campaign marks the jeweller’s 50th anniversary and features a conditional Australian pink diamond prize valued at AUD $50,000. 💎

The proposed prize is an Argyle-certified natural pink diamond with a round cut, a weight of 0.14 carats, 5P colour and SI clarity. The terms allow substitution with a diamond of equivalent or greater substantiated retail value and comparable quality where reasonably necessary. The diamond is not guaranteed to be awarded.

If the diamond is won, the prize includes a personal jewellery design consultation with Xennox Diamonds. The winner can collaborate on a finished piece incorporating the diamond, such as a ring, pendant or earring. An allowance of up to AUD $2,500, inclusive of GST, covers design, craftsmanship, labour, gold and other standard manufacturing materials.

Additional gemstones, precious metals, design elements or manufacturing work beyond that allowance are at the winner’s expense following approval. The diamond must be incorporated into a finished jewellery piece; the prize does not provide the option of receiving it loose. Any unused manufacturing allowance cannot be exchanged for cash, store credit or other goods.

The major prize also includes the proposed provision of 12 months of Q Report jewellery insurance for the completed piece. Xennox Diamonds pays the first year’s premium, subject to the insurer’s eligibility, underwriting and policy requirements.

If the major prize contender does not win the diamond, that participant receives a $5,000 Xennox Diamonds gift card. The other four category winners each receive a $2,000 Xennox Diamonds gift card, regardless of whether the diamond is awarded.

About Xennox Diamonds Brisbane Treasures: $50,000 Pink Diamond

Enter Xennox Diamonds Brisbane Treasures: $50,000 Pink Diamond
View the contest rules

Submission Status
Open

Submission Type
Web Submission, Comment / Essay

Contest Rules
Australian residents aged 13 or over may nominate treasures with a genuine Greater Brisbane connection. Verified nominations are judged in five categories. One category winner is randomly selected for a final challenge with one winning option among 50. Category winners must be eligible adults or have approved adult representatives.

View the Official Rules

Frequently Asked Questions

Who can enter this contest?

This contest is listed for eligible residents of Australia. Review the official rules before entering to confirm all eligibility requirements.

How often can I enter?

The entry limit is Unlimited. This contest allows unlimited entries.

When does this contest end?

This contest is scheduled to close on November 15, 2026. Enter early when possible, since the official rules may specify a closing time or time zone.

Where can I find the official contest rules?

Use the Official Rules link on this page for the authoritative eligibility requirements, entry limits, deadline, prize details, and winner-selection terms.

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