Our story · Our standards · Your trust
Crownstone Global
Australian craftsmanship. A considered eye for value. A personal commitment to the people behind every precious piece.

Precision in the detail. Purpose in every piece.
The Crownstone story
Precious things.
Personal stories.
A ring can mark a promise. A necklace can carry a memory. A painting can hold a family's history. At Crownstone Global, our work begins with an appreciation of what these objects mean—not simply what they are worth.
We are an Australian precious metals and luxury jewellery manufacturer, bringing traditional goldsmithing together with modern precision. From a first design conversation to the final polish, our focus is on thoughtful design, beautiful materials and a finish worthy of the occasion.
That same appreciation extends beyond the jewellery bench. We also buy precious metals, diamonds, fine art and other valuables, bringing our commitment to care and discretion to clients who are ready to begin a new chapter.
What we do
From creation to a new chapter.
Luxury jewellery & diamonds
Designing and manufacturing rings, bracelets, necklaces, earrings and fine accessories. Bespoke commissions, diamond solitaires, tennis jewellery and gemstone pieces for private clients, retailers and trade partners.
Explore our collectionsPrecious metals
Buying gold, silver, platinum, palladium and rhodium, including unwanted jewellery, bullion and other precious metal items. We consider the material and its purity to discuss its value and an offer with you.
Precious metals we buyFine art & other valuables
Buying paintings, sculpture, luxury watches, diamonds and gemstones, antiques, coins, designer handbags and collectibles. From a single treasured object to an inherited collection, each enquiry receives individual attention.
Art & valuables we buyArt deserves its own conversation
An eye for beauty.
Respect for provenance.
Our interest in fine art is a natural extension of our appreciation for craftsmanship. We consider the artist, provenance, condition and relevant market context when discussing a work—not just its appearance.
Whether you are selling a painting, exploring the value of an antique, or considering an estate collection, we recognise that the decision can be personal. Our approach is considered, respectful and centred on an informed conversation.
Discover art & valuables
Discretion is part of the service
Your valuables are personal.
Your conversation should be too.
A bespoke commission, a family inheritance or the sale of a significant collection can involve sensitive details. We approach each conversation with respect for your privacy and the circumstances behind your decision.
Confidential conversations
We treat your enquiry, personal circumstances and the details of your pieces with discretion. For particularly sensitive matters, discuss your confidentiality requirements with us before sharing documents or images.
Respectful handling
We recognise both the financial and sentimental significance of your property. We discuss assessment and handling with you, so the next steps are understood before you proceed.
Decisions without pressure
Clear conversations about your options, with space to ask questions and consider your decision. Whether you commission, sell or simply enquire, the choice remains yours.

Built for lasting relationships
The kind of value that lasts.
We believe a lasting business is built in the details: listening carefully, taking pride in the finish, explaining a decision and treating people well. These are the principles that guide Crownstone Global, from an individual commission to a trade relationship.
Our ambition is not simply to complete a transaction. It is to be a name you feel comfortable returning to—and a team you can trust with the next important piece in your life.
Our measure of distinction
The care in a finished piece. The clarity of a conversation. The confidence of a client. We hold these standards at the heart of our work.
Where to find us
Visit us in person.
Our consultant and customer service office is in Cairns, and our two Sydney retail stores carry our finished jewellery — rings, necklaces, bracelets and more.
Consultant & Customer Service Office
37 Grafton Street, Cairns City, QLD 4870
Sydney Retail Store
3a/453 Pitt Street, Sydney, NSW 2000
Ashfield Retail Store
Unit 2, 250 Liverpool Road, Ashfield, NSW 2131
Your next chapter


