Wholesale Custom Jewellery Diamond Dealer in Australia: Top 20

Wholesale Custom Jewellery Diamond Dealer in Australia: Top 20

Australia has become a useful market for buyers who want custom diamond jewellery, loose stones, and workshop-led design services in one place. The wider Australian jewellery market reached USD 3.3 billion in 2025, while Research and Markets says the global customized jewellery market rose from USD 36.98 billion in 2025 to USD 42.25 billion in 2026, which helps explain why more suppliers now combine wholesale diamonds with custom production services.

Now the question is, which Australian dealers can supply diamonds at trade-oriented prices and also turn those stones into finished custom jewellery without sending the job through too many hands ? The list below focuses on firms that openly mention wholesale diamonds, custom jewellery, certified stones, or bespoke design on their own pages or search listings.

A dealer may call itself wholesale, but the useful details sit underneath that label. Look for certified stones, custom design support, workshop capability, and a clear route from stone selection to finished piece, because those are the signs of a supplier that can handle real custom orders rather than simple resale.

Top 20 Suppliers and Dealers

1. Diamond Imports, Sydney is one of the strongest names in this category because it describes itself as an Australian diamond company specialising in wholesale diamonds, certified stones, and custom designed fine jewellery, with more than 50 years in bespoke jewellery manufacturing.
2. Kush Diamonds, Melbourne positions itself as a premier diamond specialist and wholesaler supplying GIA-certified diamonds and custom made engagement rings, backed by more than 50 years of experience in the Australian diamond market.
3. Diamond Brokers Queensland, Brisbane describes itself as a wholesale diamond merchant and jewellery designer focused on GIA-certified white diamonds, Australian pink diamonds, and custom handmade engagement rings at wholesale prices.
4. Torres Jewel Co, Melbourne advertises wholesale loose diamonds in Australia and presents itself around GIA-certified diamonds, diamond engagement rings, and fine jewellery in Melbourne CBD.
5. Max Diamonds, Sydney says it specialises in loose diamonds and other precious gemstone jewellery, while also presenting itself as a Sydney diamond wholesaler with qualified jewellery designers and gemmologists available for custom work.
6. Starfire Diamond Jewellery offers certified diamonds and coloured gemstones at competitive wholesale prices and says customers can work directly with gemmologists before a handmade piece is crafted.
7. Jogia Diamonds promotes wholesale diamonds, diamond engagement rings, and a large range of loose diamonds, while also stressing direct dealing with the importer and manufacturer.
8. Australian Diamond Wholesale Brokers, Melbourne highlights wholesale-priced diamonds and says customers do not pay for stocked diamonds until they are satisfied with the finished custom-made ring, which suggests a custom-first approach rather than stock-only selling.
9. Fairfax & Roberts, Sydney gives buyers access to natural and lab-grown diamonds for bespoke jewellery and says those diamonds come through trusted international suppliers.
10. Skygem focuses on natural diamonds, lab diamonds, and custom jewellery, and presents itself as a place for personalised designs and secure delivery across Australia.
11. Nick Ireland, Melbourne says it offers an extensive selection of wholesale diamonds and notes more than 30 years of experience creating diamond jewellery.
12. Wholesale Diamonds Direct Australia, Melbourne markets itself directly around wholesale-priced natural and lab-grown diamonds, including Argyle tender pink diamonds.
13. Temple and Grace says it carries one of the largest stocks of GIA-certified loose diamonds in Australia and links that scale directly to wholesale pricing.
14. Jenny Bay describes itself as a leading diamond wholesaler in Australia with more than 25 years in business and also points buyers toward unique design engagement rings.
15. Latitude Jewellers is especially relevant for buyers interested in pink diamonds, since it says it works with reputable suppliers and also offers custom pink diamond designs through its experienced designers.
16. York Jewellers states clearly that customers can customize jewellery with pink diamonds by choosing the setting, metal type, and stone specifications for a one-of-a-kind piece.
17. GemTrove, Melbourne presents itself as a specialist in GIA-certified diamonds, bespoke engagement and wedding rings, and custom necklaces, earrings, and bracelets.
18. Bakker Diamonds, Brisbane describes itself as a wholesale diamond merchant that can source and supply loose certified diamonds and then turn them into completed jewellery, drawing stones from overseas cutting centres such as Antwerp, Tel Aviv, and New York as well as Australian facilities.
19. Diamond Elite, Sydney says it imports and supplies diamonds to retailers and wholesalers, offers natural, lab-grown, and fancy coloured diamonds, and supports one-of-a-kind custom made engagement rings.
20. Melbourne Diamond Importers presents custom diamond jewellery at wholesale prices and says buyers can discuss custom options with its jewellers across different budgets.

How to Select a Dealer

The first useful filter is certification and transparency. Several of the dealers above refer to GIA-certified diamonds or clear certification standards.

The second filter is workshop strength. Dealers such as Diamond Imports, Starfire, Bakker Diamonds, and Melbourne Diamond Importers all connect stone supply with custom design or hand-made production.

The third filter is product focus. If your buyers want pink diamonds, Diamond Brokers Queensland, Latitude Jewellers, York Jewellers, and Wholesale Diamonds Direct Australia are the names that stand out.

Conclusion

Australia offers a wider and more varied custom diamond trade than many overseas buyers expect. The market includes old-established wholesalers, boutique diamond merchants, custom design studios, and pink-diamond specialists, which means buyers can source anything from loose GIA stones to finished bespoke jewellery through one short supplier chain. For a middle-market buyer, the sensible next step is to reduce this list to five names and compare them on certification, custom capability, lead time, and whether they can quote clearly in euros. Done that way, the search stays practical, and the supplier you choose is more likely to fit both your budget and your customers’ expectations.