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GS Diamonds are pleased to present our selection of loose, wholesale diamonds, available in-store across Australia and online worldwide. We understand that when it comes to building your perfect engagement ring, wedding ring, or piece of jewellery, customisation is everything. That’s why our certified natural diamonds are selected to provide you with the perfect stone for your bespoke piece. 
Some light loss. Reflects most light but not as brilliantly as higher grade cuts.
Noticeable colour. Not typically recommended for colourless diamond jewellery.
Setting price may increase for larger carat sizes.
Inclusions are visible under 10x magnification and may be visible with an unaided eye. More inclusions than SI1.
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Viewing 52 of 163813 products
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40 years Expertise
Trusted since 1986
Certified Diamonds
Carefully sourced & independently graded
Custom Design
Create a piece that feels uniquely yours
Expert Guidance
In-store, online & phone support 8AM-11PM
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Australia-wide on all orders
Discover a premium selection of loose diamonds in Australia that you can trust for quality, value and transparency. At GS Diamonds, all our diamonds are GIA certified and come with an official GIA grading report, the most trusted standard in diamond evaluation, and are laser inscribed on the girdle for complete peace of mind.Â
Each of our natural diamonds is ethically sourced and assessed by experts using the 4Cs: colour, clarity, cut and carat weight. While GIA grading provides a universal benchmark, choosing the right diamond also comes down to personal preference, which is why we offer a diverse range to suit every style and budget.Â
When you buy loose diamonds, you gain full control over your final piece. Our collection includes all major shapes (round, princess, cushion, oval, emerald, pear, asscher, radiant, marquise and heart) allowing you to create something truly personal. You can also refine your choice by comparing diamond cut for brilliance, colour for tone, clarity for purity and carat for size.Â
By sourcing directly from international manufacturers, we remove unnecessary markups, ensuring our diamonds for sale reflect exceptional value without compromising on quality.Â
If you're ready to bring your vision to life, explore our bespoke ring service and design a piece around your chosen diamond. Whether you shop online or visit us in-store, our expert team is here to guide you every step of the way, helping you create a ring that perfectly reflects your style and story.Â
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