EOFY Sale Now On

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EOFY Sale Event

Celebrating 40 years of trust with quality set in stone.

Now On — Limited Time Only

Shine More, Spend Less

Stack, layer, or gift — now 10% off across our full diamond bracelet range.

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

30-day Money-Back Guarantee

Buy with confidence

Free Shipping

Australia-wide on all orders

Jewellery Store Sydney

GS Diamonds proudly present diamonds of the highest quality, and jewellery pieces of incredible intricacy and exquisite artistry.

Our Story

Built on Trust

History

For four decades, GS Diamonds has been part of Australia’s d...

Craftmanship

From classic solitaires to custom-made designs, every piece...

In house design

Our team works closely with customers to bring their ideas t...

History

For four decades, GS Diamonds has been part of Australia’s diamond jewellery landscape, helping generations of customers choose pieces for proposals, weddings, anniversaries, and everything in between

Craftmanship

From classic solitaires to custom-made designs, every piece is created with close attention to detail, quality, and wearability, because jewellery should feel as good as it looks. Our craftsmanship is rooted in precision, care, and quality, so each piece is made to be worn, loved, and last.

In house design

Our team works closely with customers to bring their ideas to life, offering guidance, flexibility, and custom design support for those looking for something more personal. Our in-house bespoke service gives customers the freedom to create something personal, supported by expert guidance at every step.

Since 1986, we’ve helped customers navigate some of life’s most important purchases with trusted guidance and decades of diamond expertise.

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Jewellers Association of Australia

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Cut to perfection

Every diamond shape has its own character. Find the one that feels most like you.  

A world of color

Explore colors that bring personality, contrast and individuality to your piece

Jewellery for every moment

Find the perfect piece to complement your unique style and occasion

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Trust begins with Transparency

Find clear answers to the most common questions our clients ask and shop with confidence.

Showcasing

Our world of design

Timeless top sellers Adored by our customers worldwide

Assistance & Guidance

Visit us in-store, chat with an expert, or explore our blog for expert guidance at every step.

Exclusive

Talk to an expert

Get personalised advice on diamonds, ring styles, custom designs, and next steps online or in-store, at a time that suits you.

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Become a diamond expert

From diamond education to buying tips, explore articles designed to help you shop with confidence

Best Time of Year to Buy Diamond Jewellery: A Practical Buying Guide

Best Time of Year to Buy Diamond Jewellery: A Practical Buying Guide

Understanding the best time of year to buy diamond jewellery can help you make a smarter purchase. 

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The 4 Cs of Diamonds: Your Buying Guide

The 4 Cs of Diamonds: Your Buying Guide

Cut, clarity, colour and carat: these are the qualities that influence the price of stones. Understanding them will give you a scale to get the best value for your money.

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Diamond Shapes Chart & Buying Guide

Diamond Shapes Chart & Buying Guide

In your search for the ideal diamond, you’ll eventually be faced with the choice of diamond shape for your stone. Different diamond shapes can dynamically change the appearance of any jewellery, and picking the right one can make all the difference in overall design and aesthetics. Our diamond shape...

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Diamond Colour Guide: Chart, Scale & Grading

Diamond Colour Guide: Chart, Scale & Grading

Colour is one of the 4Cs — the main factors to consider when it comes to buying a diamond. This guide to diamond colour is designed to help buyers understand the impact that diamond colour can have on a stone’s value, price, and overall brilliance.  What is Diamond Colour?  The term "colour" pertain...

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What is Diamond Colour? Your Colour Guide

What is Diamond Colour? Your Colour Guide

There’s more to diamonds than just their shine. Did you know that diamond colour is the second most important aspect of a diamond’s quality and value? When most people think of diamonds, their mind jumps to the sparkle and dazzling brilliance, which is mostly determined by the diamond’s cut.  Howeve...

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Engagement Ring Cuts: A Buyer's Guide

Engagement Ring Cuts: A Buyer's Guide

Finding the perfect engagement ring that your partner will say “Yes” to is an exciting process with many choices to be made — including the engagement ring’s cut. With the veritable plethora of options for different engagement ring cuts, it’s all the more crucial to understand what each of them are...

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What our customers say

From timeless proposals to treasured anniversaries, our clients share stories that sparkle as brightly as our diamonds.

Real stories from our customers

A closer look at our latest designs, behind-the-scenes moments, and the milestones our customers trust us to be part of.

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