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Trilogy Engagement Rings

Crafted by our jewelers with care and precision.

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Trilogy Engagement Rings — For Love That Transcends Time

Trilogy engagement rings, also known as tree stone rings, are more than just a beautiful piece of jewellery. Celebrated for their symbolism, each of the three stones represents a chapter in a couple’s journey: the past they've cherished, the present they share, and the future they’re building together. This deeper meaning makes trilogy rings a perfect choice for modern proposals and significant milestones alike. With design flexibility that accommodates a variety of center stone shapes, gemstone pairings, and band styles, this timeless design effortlessly blends classic elegance with modern sophistication.

At Cullen, we believe creating a trilogy engagement ring should be just as memorable as the ring itself. Our collaborative design experience empowers couples to bring their vision to life—crafting a one-of-a-kind handmade piece that reflects their story with intention and artistry. Begin your journey with our Engagement Ring Builder or book a consultation to create a piece that’s truly yours.

Let Your Love Shine Through Every Stone

At Cullen, we specialise in custom-made engagement rings to complement your perfect proposal. We combine the knowledge of experienced jewellers with an exceptional client service team that can help guide you through every step of the engagement ring design process, from concept to completion.

Need help choosing your dream trilogy engagement ring in Australia? Book a virtual or in-person appointment at our showroom to talk to one of our friendly engagement ring specialists.

Why Cullen

Worldwide Express Shipping No matter where you are in the world, your dream ring will go the distance. We proudly ship our trilogy engagement rings Australia-wide and internationally, ensuring your custom piece arrives safely and swiftly.

Free Resizing We offer free resizing on all engagement rings to ensure the perfect fit, whether you've chosen one of our ready-to-ship trilogy diamond engagement rings or something uniquely your own.

Lifetime Warranty Our trilogy engagement rings are built to last a lifetime. Each piece is backed by our lifetime manufacturing warranty, giving you complete peace of mind.

Tailored Ring Customisation
From unique trilogy engagement ring designs to personalised band details, we offer an extensive customisation service so you can craft a ring that’s truly one of a kind.

Thoughtfully Designed in Melbourne, Australia Every ring —  including our trilogy engagement rings, is crafted by our expert jewellers with exceptional attention to detail.

Conflict-Free, Consciously Crafted We offer a variety of unique options — from trilogy sapphire engagement rings to clover green moissanite that closely resembles genuine emerald stones — all responsibly sourced.

Carbon Neutral & One Tree Planted Partner We offset the carbon footprint of every lab grown diamond ring and plant a tree for each ring sold, supporting global reforestation.

Custom Design Specialists Whether you're dreaming of an elegant trilogy ring or an emerald cut halo engagement ring, our team specialises in creating jewellery that reflects your personal style.

Looking for a specific style? Choose from our collections below:

A three stone ring represents a couple’s journey — honouring their past, celebrating their present, and looking forward to their future together.

Yes, both terms describe the same concept: a ring featuring three stones, each rich with meaning.

Absolutely. Their meaningful symbolism and versatile design make them a lasting favorite among couples today.

Definitely. Many people mix gemstones—like sapphires or colored diamonds — with traditional center stones to create something deeply personal and truly unique.

trilogy oval engagement rings are especially sought after for their elegant elongation, though most shapes work beautifully in this setting, including emerald, brilliant, and cushion cuts.

Yes, trilogy rings are often created with lab grown diamonds for a more sustainable and responsible choice.

Not at all. Most three stone rings feature a larger center stone, flanked by slightly smaller side stones for contrast and balance.

It depends. While there are more stones involved, the overall price comes down to the size, the 4Cs of diamond quality, and choice of gemstones.

Yes. When crafted with quality materials and secure settings, trilogy rings are durable enough for daily wear.

Absolutely! Visit our custom designs page to explore the process and easily customize your perfect trilogy ring online or in person.

Yes, we offer complimentary resizing for all our engagement rings. If your ring doesn't fit perfectly, simply contact us, and we'll adjust it to ensure a comfortable fit.​

All gold and platinum jewellery from Cullen comes with a lifetime manufacturing warranty. This warranty covers any defects in materials or workmanship, giving you peace of mind that your ring is crafted to the highest standards.​