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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. 
Products
Viewing 52 of 17039 products
Need some help choosing?
At GS Diamonds, we offer premium diamonds for sale across Australia, both online and in our showrooms. You can buy loose diamonds or just explore our extensive collection, graded by experts who evaluate them by the 4Cs standard (colour, clarity, cut and carat weight). And yes, we get that buying diamonds online can feel counterintuitive. That’s why our trusted experts are here to guide you every step of the way. If you’re after the best place to buy diamonds in Australia, where ordering online can be stress-free, you’re in the right place!Â
If you are wondering where to buy conflict free and ethically sourced diamonds, GS Diamonds is the most trusted choice. We provide certified natural diamonds, as well as sustainable lab-grown diamonds. Both options let you shop ethically, with no compromise on beauty or quality.
Diamond carat does not mean size, not exactly. Carat measures weight, not physical dimensions. To understand proportions and how to tell the carat size of a diamond, see our full guide to diamond carat size
Diamond prices vary by the 4Cs: cut, colour, clarity, and carat. The diamond price in Australia also depends on certification and market demand. If you’re wondering how much a diamond’s worth is, our specialists can help you explore current pricing.Â
Yes, all our loose diamonds that you see on our online inventory come with a GIA Grading certificate which is the most trusted grading report in the world and most diamonds are laser inscribed on the girdle with their identification number for your peace of mind.Â
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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Buy with confidence
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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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