Trilogy Engagement Rings

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Connor Pear Cut Trilogy Three Stones Pear cut Diamond Side Stones - 18K Rose

Connor Pear Trilogy Stones 18K Rose

Regular price $1,995.00
Sale price $1,995.00 Regular price
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Connor Pear Cut Trilogy Three Stones Pear cut Diamond Side Stones - 18K Yellow

Connor Pear Trilogy Stones 18K Yellow

Regular price $1,995.00
Sale price $1,995.00 Regular price
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Connor Pear Cut Trilogy Three Stones Pear cut Diamond Side Stones - 18K White

Connor Pear Trilogy Stones 18K White

Regular price $1,995.00
Sale price $1,995.00 Regular price
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Connor Pear Cut Trilogy Three Stones Pear cut Diamond Side Stones - Platinum

Connor Pear Trilogy Stones - Platinum

Regular price $1,995.00
Sale price $1,995.00 Regular price
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Perry Trilogy Oval Cut Hidden Halo Four Claw Diamond engagement Ring - 18K Rose

Perry Trilogy Cut Halo 18K Rose

Regular price $2,450.00
Sale price $2,450.00 Regular price
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Perry Trilogy Oval Cut Hidden Halo Four Claw Diamond engagement Ring - 18K Yellow

Perry Trilogy Cut Halo 18K Yellow

Regular price $2,450.00
Sale price $2,450.00 Regular price
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Perry Trilogy Oval Cut Hidden Halo Four Claw Diamond engagement Ring - 18K White

Perry Trilogy Cut Halo 18K White

Regular price $2,450.00
Sale price $2,450.00 Regular price
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Perry Trilogy Oval Cut Hidden Halo Four Claw Diamond engagement Ring - Platinum

Perry Trilogy Cut Halo - Platinum

Regular price $2,450.00
Sale price $2,450.00 Regular price
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Roma Oval Cut Trilogy Antique Vintage Style Six Claw Diamond Engagement Ring - 18K Rose

Roma Oval Trilogy Vintage 18K Rose

Regular price $2,850.00
Sale price $2,850.00 Regular price
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Roma Oval Cut Trilogy Antique Vintage Style Six Claw Diamond Engagement Ring - 18K Yellow

Roma Oval Trilogy Vintage 18K Yellow

Regular price $2,850.00
Sale price $2,850.00 Regular price
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Roma Oval Cut Trilogy Antique Vintage Style Six Claw Diamond Engagement Ring - 18K White

Roma Oval Trilogy Vintage 18K White

Regular price $2,850.00
Sale price $2,850.00 Regular price
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Roma Oval Cut Trilogy Antique Vintage Style Six Claw Diamond Engagement Ring - Platinum

Roma Oval Trilogy Vintage - Platinum

Regular price $2,850.00
Sale price $2,850.00 Regular price
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LVY Marquise Cut Hidden Halo Trilogy Six Claw Setting Diamond Engagement Ring - 18K Rose

LVY Marquise Hidden Trilogy 18K Rose

Regular price $2,495.00
Sale price $2,495.00 Regular price
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LVY Marquise Cut Hidden Halo Trilogy Six Claw Setting Diamond Engagement Ring - 18K Yellow

LVY Marquise Hidden Trilogy 18K Yellow

Regular price $2,495.00
Sale price $2,495.00 Regular price
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LVY Marquise Cut Hidden Halo Trilogy Six Claw Setting Diamond Engagement Ring - 18K White

LVY Marquise Hidden Trilogy 18K White

Regular price $2,495.00
Sale price $2,495.00 Regular price
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LVY Marquise Cut Hidden Halo Trilogy Six Claw Setting Diamond Engagement Ring - Platinum

LVY Marquise Hidden Trilogy - Platinum

Regular price $2,495.00
Sale price $2,495.00 Regular price
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Sylvie Trilogy Marquise Cut Low Setting Pear Shape Side Diamonds Engagement Rings - 18K Rose

Sylvie Trilogy Cut Setting 18K Rose

Regular price $2,885.00
Sale price $2,885.00 Regular price
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Sylvie Trilogy Marquise Cut Low Setting Pear Shape Side Diamonds Engagement Rings - 18K Yellow

Sylvie Trilogy Cut Setting 18K Yellow

Regular price $2,885.00
Sale price $2,885.00 Regular price
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Sylvie Trilogy Marquise Cut Low Setting Pear Shape Side Diamonds Engagement Rings - 18K White

Sylvie Trilogy Cut Setting 18K White

Regular price $2,885.00
Sale price $2,885.00 Regular price
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Sylvie Trilogy Marquise Cut Low Setting Pear Shape Side Diamonds Engagement Rings - Platinum

Sylvie Trilogy Cut Setting - Platinum

Regular price $2,885.00
Sale price $2,885.00 Regular price
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River Low Setting Oval Cut Trilogy Three Stones Half Bezel Setting Trapeze Side Stone Engagement Ring - 18K Rose

River Low Oval Trilogy 18K Rose

Regular price $2,500.00
Sale price $2,500.00 Regular price
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River Low Setting Oval Cut Trilogy Three Stones Half Bezel Setting Trapeze Side Stone Engagement Ring - 18K Yellow

River Low Oval Trilogy 18K Yellow

Regular price $2,500.00
Sale price $2,500.00 Regular price
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River Low Setting Oval Cut Trilogy Three Stones Half Bezel Setting Trapeze Side Stone Engagement Ring - 18K White

River Low Oval Trilogy 18K White

Regular price $2,500.00
Sale price $2,500.00 Regular price
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River Low Setting Oval Cut Trilogy Three Stones Half Bezel Setting Trapeze Side Stone Engagement Ring - Platinum

River Low Oval Trilogy - Platinum

Regular price $2,500.00
Sale price $2,500.00 Regular price
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Sarah Trilogy Hidden Halo four Claw Setting Diamond engagement ring - 18K Yellow

Sarah Trilogy Halo Claw 18K Yellow

Regular price $3,800.00
Sale price $3,800.00 Regular price
Unit price
Sarah Trilogy Hidden Halo four Claw Setting Diamond engagement ring - 18K White

Sarah Trilogy Halo Claw 18K White

Regular price $3,800.00
Sale price $3,800.00 Regular price
Unit price
Sarah Trilogy Hidden Halo four Claw Setting Diamond engagement ring - Platinum

Sarah Trilogy Halo Claw - Platinum

Regular price $3,800.00
Sale price $3,800.00 Regular price
Unit price
Trilogy Oval Cut Diamond Centre Stone with Pear Cut Side Stones Engagement Ring - Platinum

Trilogy Oval Diamond Stone - Platinum

Regular price $3,700.00
Sale price $3,700.00 Regular price
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Trilogy Oval Cut Diamond Centre Stone with Pear Cut Side Stones Engagement Ring - 18K White

Trilogy Oval Diamond Stone 18K White

Regular price $3,700.00
Sale price $3,700.00 Regular price
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Trilogy Oval Cut Diamond Centre Stone with Pear Cut Side Stones Engagement Ring - 18K Yellow

Trilogy Oval Diamond Stone 18K Yellow

Regular price $3,700.00
Sale price $3,700.00 Regular price
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Trilogy Oval Cut Diamond Centre Stone with Pear Cut Side Stones Engagement Ring - 18K Rose

Trilogy Oval Diamond Stone 18K Rose

Regular price $3,700.00
Sale price $3,700.00 Regular price
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Trilogy Teal Sapphire Oval Cut Baguette Diamond Engagement Ring - Platinum

Trilogy Teal Oval Baguette - Platinum

Regular price $2,295.00
Sale price $2,295.00 Regular price
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Trilogy Teal Sapphire Oval Cut Baguette Diamond Engagement Ring - 18K White

Trilogy Teal Oval Baguette 18K White

Regular price $2,295.00
Sale price $2,295.00 Regular price
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Trilogy Teal Sapphire Oval Cut Baguette Diamond Engagement Ring - 18K Yellow

Trilogy Teal Oval Baguette 18K Yellow

Regular price $2,295.00
Sale price $2,295.00 Regular price
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Trilogy Teal Sapphire Oval Cut Baguette Diamond Engagement Ring - 18K Rose

Trilogy Teal Oval Baguette 18K Rose

Regular price $2,295.00
Sale price $2,295.00 Regular price
Unit price
Trilogy Three Stones Oval Cut Hidden Halo Diamond Engagement Ring - 18K Rose

Trilogy Three Oval Hidden 18K Rose

Regular price $3,585.00
Sale price $3,585.00 Regular price
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Trilogy Three Stones Oval Cut Hidden Halo Diamond Engagement Ring - Platinum

Trilogy Three Oval Hidden - Platinum

Regular price $3,585.00
Sale price $3,585.00 Regular price
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Trilogy Three Stones Oval Cut Hidden Halo Diamond Engagement Ring - 18K White

Trilogy Three Oval Hidden 18K White

Regular price $3,585.00
Sale price $3,585.00 Regular price
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Trilogy Three Stones Oval Cut Hidden Halo Diamond Engagement Ring - 18K Yellow

Trilogy Three Oval Hidden 18K Yellow

Regular price $3,585.00
Sale price $3,585.00 Regular price
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Trilogy 3 Stones Diamond Engagement Ring Emerald cut centre stone Trapezoid Side stones

Trilogy 3 Diamond Ring Side stones

Regular price $3,695.00
Sale price $3,695.00 Regular price
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Trilogy Round Cut Sapphire Diamond Engagement Ring Set in 18K White Gold

Trilogy Round Sapphire Engagement White Gold

Regular price $3,850.00
Sale price $3,850.00 Regular price
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Trilogy Radiant  Cut Half Moon Claw Setting Diamond Engagement Ring

Trilogy Radiant Half Claw Engagement Ring

Regular price $3,685.00
Sale price $3,685.00 Regular price
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Trilogy Diamond Engagement Ring Prong Channel Setting in 18k Yellow Gold - DG & Co. Jewellery
Trilogy Diamond Engagement Ring Prong Channel Setting in 18k Yellow Gold - DG & Co. Jewellery

Trilogy Diamond Ring Channel 18k Yellow

Regular price $2,485.00
Sale price $2,485.00 Regular price
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Trilogy Halo Diamond Engagement Ring Prong Channel Setting in 18k White and Yellow Gold - DG & Co. Jewellery
Trilogy Halo Diamond Engagement Ring Prong Channel Setting in 18k White and Yellow Gold - DG & Co. Jewellery

Trilogy Halo Engagement Prong Yellow Gold

Regular price $2,485.00
Sale price $2,485.00 Regular price
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Trilogy Diamond Engagement Ring Prong Channel Setting - DG & Co. Jewellery
Trilogy Diamond Engagement Ring Prong Channel Setting - DG & Co. Jewellery

Trilogy Diamond Ring Channel Channel Setting

Regular price $2,485.00
Sale price $2,485.00 Regular price
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Trilogy 4 Claw Setting Diamond Engagement Ring Prong Channel Setting in 18k White Gold - DG & Co. Jewellery
Trilogy 4 Claw Setting Diamond Engagement Ring Prong Channel Setting in 18k White Gold - DG & Co. Jewellery

Trilogy 4 Setting Engagement 18k White

Regular price $2,485.00
Sale price $2,485.00 Regular price
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Trilogy Halo Diamond Engagement Ring Pave Setting - White And Rose Gold - DG & Co. Jewellery
Trilogy Halo Diamond Engagement Ring Pave Setting - White And Rose Gold - DG & Co. Jewellery

Trilogy Halo Engagement Pave Rose Gold

Regular price $2,950.00
Sale price $2,950.00 Regular price
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Trilogy Halo Diamond Engagement Ring Pave Setting - Yellow Gold - DG & Co. Jewellery
Trilogy Halo Diamond Engagement Ring Pave Setting - Yellow Gold - DG & Co. Jewellery

Trilogy Halo Engagement Pave Yellow Gold

Regular price $2,950.00
Sale price $2,950.00 Regular price
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Trilogy engagement rings are among the most symbolically powerful choices in fine jewellery. Featuring three stones set side by side, each representing the past, present, and future of a relationship, the trilogy ring communicates something profound without ever needing an explanation. At DG & CO, our trilogy engagement rings are crafted in 18-carat gold with ethically sourced, GIA-certified diamonds, bringing exceptional quality to a design that has endured for generations.

What distinguishes the trilogy ring from other multi-stone styles is the intentionality of its composition. Every element of the design — the size relationship between the stones, the choice of setting, the proportion of the band — works together to create a ring that feels considered and complete. The three stones draw the eye naturally across the finger, creating a silhouette that is both bold and deeply elegant.

At DG & CO, we offer trilogy engagement rings in a range of stone combinations and setting styles, from classic round brilliant diamonds in a uniform trio to designs pairing a striking centre stone with tapered baguette or cushion-cut sides. Whatever your preference, each ring is finished to the highest standard and built to be worn with pride for a lifetime.


The Design Language of Trilogy Engagement Rings

Three Stones, One Powerful Meaning

The trilogy setting places three diamonds or gemstones in a linear arrangement, with the centre stone typically the largest and the two flanking stones graduating gently in size on either side. This hierarchy of scale gives the design a natural focal point while ensuring all three stones read as part of a unified composition. The symbolism of past, present, and future makes the trilogy ring one of the few jewellery styles where meaning and design are entirely inseparable.

Stone Shapes That Define the Character of the Ring

The centre stone shape has the greatest influence on the overall feel of a trilogy ring. Round brilliant diamonds bring warmth and classic appeal, while oval cuts add romantic elongation. Emerald and asscher cuts introduce architectural precision that suits those drawn to geometric elegance. Our emerald cut engagement rings and cushion cut engagement rings both translate beautifully into trilogy designs, particularly when paired with tapered side stones that echo the centre stone's lines.


Why Choose a Trilogy Engagement Ring

A Ring That Tells Your Story

Few ring styles carry the narrative weight of a trilogy. The three-stone design is not simply a visual choice — it is a statement about where you have been together, where you are now, and where you are going. For couples who value meaning alongside beauty, the trilogy ring offers a way to wear that story every day. It is one of the most recognised symbols of commitment in fine jewellery, and its appeal has only grown with time.

Exceptional Presence on the Hand

Three stones set in a row naturally create more visual width and brilliance than a single solitaire of comparable carat weight. The combined sparkle of a well-proportioned trilogy draws the eye and commands attention in a way that feels generous and celebratory rather than ostentatious. For those who want a ring with genuine presence, the trilogy delivers without sacrificing refinement. Explore our three stone engagement rings to see the full breadth of this design in our collection.


Things to Know Before You Buy

The three-stone structure of a trilogy ring means there are more settings to maintain than on a solitaire, so periodic professional inspection is recommended to ensure all stones remain secure over years of wear. The size relationship between the centre and side stones is one of the most important design decisions you will make — a ratio that feels balanced in person will always outperform one chosen purely on paper. If you are considering a coloured gemstone for the centre, be mindful of the stone's hardness; diamonds at Mohs 10 are always the most practical choice for a ring worn daily. Resizing a trilogy ring is generally straightforward on a plain shank but more complex if the band features additional diamond detail, so confirming your size before ordering is always worthwhile.


Explore More at DG & CO

Looking to explore more of our fine jewellery collections?

  • Three Stone Engagement Rings — Our full collection of past, present, and future designs in every stone shape and setting style.

  • Emerald Cut Engagement Rings — A sophisticated centre stone choice that pairs beautifully with tapered trilogy sides.

  • Wedding Bands in Melbourne — Find the ideal band to complement your trilogy engagement ring.

  • Diamonds — Explore our full range of ethically sourced, GIA-certified diamonds for every setting style.


Why Choose DG & CO

At DG & CO, trilogy engagement rings are crafted with the level of care that only comes from a genuine passion for fine jewellery. Based in Melbourne and serving clients worldwide, our team combines traditional craftsmanship with ethically sourced stones and 18-carat gold to create rings that honour the meaning behind the design. We understand that a trilogy ring is not simply a purchase — it is a declaration. Every ring we make is built to reflect that, with precision, integrity, and beauty at every stage of the process.


Frequently Asked Questions About Trilogy Engagement Rings

What does a trilogy engagement ring mean?

A trilogy engagement ring features three stones that each carry a distinct meaning — the past, the present, and the future of a relationship. Together, they represent the full journey a couple shares, making the design one of the most symbolically rich in fine jewellery. The three-stone arrangement is also a nod to the enduring nature of love across time. Our blog on what is a trilogy ring explores the meaning and history of this beloved style in further detail.

How much should I spend on an engagement ring if I make $100,000 a year?

There is no rule that should dictate what you spend, despite the old one-to-three months' salary guideline being widely repeated. That advice originated from marketing campaigns and carries no genuine cultural weight. What matters is finding a ring that feels meaningful and sits comfortably within your financial plans. At DG & CO, our trilogy engagement rings span a range of price points, so you can find something truly beautiful without compromising your broader financial goals.

What finger is a divorce ring worn on?

A divorce ring is a personal choice with no universal convention attached to it. Some people wear it on the right hand ring finger as a symbol of independence and self-celebration following the end of a marriage. It is an entirely individual decision with no binding tradition. At DG & CO, our gemstone rings and cocktail rings offer a beautiful range of options for anyone marking a new personal chapter.

Can you propose with a trilogy ring?

Absolutely. A trilogy engagement ring is a completely fitting and deeply meaningful choice for a proposal. Its symbolism of past, present, and future makes it one of the most intentional ring styles you can choose for such a significant moment. Many couples are drawn to the trilogy precisely because it communicates something about the relationship rather than simply serving as a beautiful object. Explore our three stone engagement rings to find the right design for your proposal.

What wedding band goes with a trilogy engagement ring?

The best wedding band for a trilogy engagement ring depends on the profile of the setting. A slim, plain band in matching gold complements the trilogy without competing with the three stones. A curved or contoured band is often the most comfortable option, as it sits flush against the trilogy's wider profile. For those who want additional sparkle, a delicate diamond eternity or half-eternity band pairs beautifully. Our wedding bands collection offers a curated range designed to complement engagement rings of every style.

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