How Much Should You Spend on an Engagement Ring? A Complete Australian Guide

The short answer is: there is no magic number.

The old “three months’ salary” rule is outdated. The right amount to spend is one that feels comfortable for you, reflects the ring you want to give, and allows you to choose a beautiful, high-quality diamond without putting unnecessary pressure on your finances.

At Kavalri, we believe an engagement ring should be about meaning, craftsmanship and personal style — not an arbitrary price tag.

Is the three-month salary rule still relevant?

You’ve probably heard that you should spend three months of your salary on an engagement ring.

This idea originated from diamond marketing campaigns rather than being a genuine financial rule. It has little relevance to modern Australian couples, particularly as engagement rings have become much more personal and diverse.

Today, couples may choose:

• A classic diamond solitaire
• A three-stone engagement ring
• An oval or elongated cushion diamond
• A unique sapphire engagement ring
• A lab-grown diamond
• A custom-designed ring
• A minimalist setting
• A more elaborate diamond design

The price can vary dramatically depending on the design and gemstone.

Rather than asking “How many months' salary should I spend?”, ask “What ring represents our relationship and fits comfortably within my budget?”

That's a much better place to start.

What is a reasonable engagement ring budget in Australia?

There is no single “correct” engagement ring budget in Australia. However, having a realistic price range in mind can make the buying process considerably easier.

As a broad guide, you might consider:

$3,000–$5,000

This can be an excellent starting point for a beautiful engagement ring, particularly when choosing a smaller natural diamond, a lab-grown diamond or a sapphire.

At this level, thoughtful design can make a significant difference to the overall appearance of the ring.

$5,000–$8,000

This is a popular range for couples looking for a substantial, beautifully crafted engagement ring.

It opens up a much wider choice of diamond sizes, shapes, specifications and custom designs.

$8,000–$15,000

This budget gives you considerable flexibility, including larger diamonds, more premium specifications and intricate custom designs.

It is possible to create a genuinely spectacular engagement ring without necessarily moving into the very high end of the market.

$15,000+

At this level, you can explore larger natural diamonds, exceptional colour and clarity, rare gemstone characteristics and highly detailed bespoke designs.

Importantly, spending more doesn't automatically mean getting a better-looking ring.

A beautifully proportioned diamond with excellent cut can often appear more impressive than a significantly more expensive diamond with specifications that don't contribute as much to visual beauty.

What actually determines the price of an engagement ring?

The biggest mistake many first-time buyers make is assuming that carat weight determines the price.

It doesn't.

The price of an engagement ring is influenced by several factors.

1. Diamond size

Larger diamonds are generally more expensive, but the price doesn't increase proportionally.

For example, a 2-carat diamond can cost considerably more than two 1-carat diamonds of similar quality because larger diamonds are rarer.

2. Diamond shape

Different diamond shapes have different pricing structures.

Round brilliant diamonds have traditionally commanded a premium, while shapes such as oval, emerald, pear, marquise and cushion can offer different combinations of size, character and value.

Choosing the right shape can be one of the smartest ways to maximise the appearance of your ring.

3. Cut quality

For brilliant-cut diamonds, cut is one of the most important factors affecting sparkle.

A well-cut diamond can look dramatically more beautiful than a poorly cut diamond of the same carat weight.

This is why we recommend prioritising overall diamond beauty rather than simply chasing the biggest possible carat weight.

4. Colour

Diamond colour ranges from colourless through to increasingly noticeable warm tones.

Many buyers assume they need the highest possible colour grade, but this isn't always necessary.

Depending on the diamond shape and metal colour, a slightly lower colour grade can provide excellent visual appeal while allowing more of the budget to be allocated towards size or design.

5. Clarity

Clarity refers to inclusions and blemishes within a diamond.

The important question isn't necessarily whether a diamond has an extremely high clarity grade — it's whether the diamond looks clean to the naked eye.

An eye-clean diamond can offer exceptional beauty without paying for a level of clarity that may be difficult to see without magnification.

6. The setting

The ring itself also contributes to the price.

A simple solitaire requires less metal and craftsmanship than a complex design featuring multiple diamonds, intricate setting work or a hidden halo.

A custom-designed engagement ring can also involve additional design, CAD modelling, hand-setting and craftsmanship.

Should you spend more on the diamond or the setting?

This depends on your priorities.

If your partner loves diamonds and wants a larger centre stone, allocating more of your budget to the diamond may make sense.

If she is drawn to distinctive design, craftsmanship and detail, investing more in the setting may create a ring that feels far more personal.

For example, a relatively simple diamond can be transformed by an exceptional setting.

The best engagement ring isn't necessarily the one with the most expensive diamond. It's the one where the diamond and design work beautifully together.

How much should you spend on a lab-grown diamond engagement ring?

Lab-grown diamonds have changed the engagement ring market significantly.

They are real diamonds with essentially the same chemical composition and physical properties as natural diamonds. The key difference is their origin: lab-grown diamonds are created using advanced technology rather than formed naturally within the earth over geological time.

Because lab-grown diamonds can cost substantially less than comparable natural diamonds, they allow couples to choose a larger stone or allocate more of their budget towards the ring's design.

For example, someone with a $7,000 budget might choose between:

A larger lab-grown diamond with an elaborate custom setting

or

A smaller natural diamond with a simpler setting.

Neither is inherently the “right” choice.

It comes down to whether the rarity and natural origin of the diamond matter to you.

What about sapphire engagement rings?

Diamonds aren't the only option.

Natural sapphires have become increasingly popular with couples looking for something distinctive and personal.

Blue sapphires are timeless, but natural sapphires can also occur in beautiful shades of teal, green, yellow, pink and other colours.

Australian sapphires are particularly interesting for couples looking for something genuinely unique.

A sapphire can also allow you to create a spectacular engagement ring at a different price point from an equivalent diamond design.

For someone who doesn't want a traditional engagement ring, a natural sapphire can be an extraordinary choice.

How to get the most from your engagement ring budget

If you have a fixed budget, don't simply tell your jeweller:

“I want a 2-carat diamond.”

Instead, tell them:

“This is my budget. Help me find the most beautiful ring possible within it.”

That gives your jeweller much more flexibility.

Here are some of the best ways to maximise your budget.

Consider different diamond shapes

If you're focused on size and visual impact, explore oval, cushion, pear or marquise diamonds alongside round.

Don't automatically pay for the highest clarity

Ask whether the diamond is eye-clean rather than simply choosing the highest clarity grade available.

Look at slightly lower colour grades

Depending on the diamond shape and setting, you may be able to choose a lower colour grade without a noticeable difference in appearance.

Consider lab-grown diamonds

If size and visual impact are important, lab-grown diamonds can dramatically change what is achievable within your budget.

Consider a sapphire

A beautiful natural sapphire can provide colour, character and individuality that a traditional white diamond doesn't.

Invest in the design

Don't underestimate the setting.

The proportions, diamond placement, metal, profile, finishing and craftsmanship can have an enormous impact on how luxurious the finished ring looks.

Should you finance an engagement ring?

An engagement ring is an emotional purchase, but it's still important to treat it as a financial decision.

If financing the ring means taking on expensive debt or creating financial stress, it's worth reconsidering the budget.

There is no prize for spending the most.

A $5,000 ring purchased comfortably can be a far better decision than a $15,000 ring that creates months or years of financial pressure.

Set a number that works for your circumstances and shop within that range.

Does a more expensive engagement ring mean a better ring?

Not necessarily.

This is one of the most important things to understand when buying an engagement ring.

A $10,000 ring isn't automatically twice as beautiful as a $5,000 ring.

Beyond a certain point, you're often paying for rarity, larger size, higher specifications or increasingly subtle differences.

The skill is knowing where those additional dollars actually make a visible difference.

That's where an experienced jeweller can add significant value.

So, how much SHOULD you spend?

Our advice is simple:

Spend what you can comfortably afford — then focus on getting the most beautiful, meaningful ring possible for that amount.

For some people, that's $4,000.

For others, it's $8,000.

For others, it's $20,000 or considerably more.

There is no universal answer.

Your engagement ring doesn't need to conform to a salary formula. It needs to reflect the person you're marrying.

Choosing your perfect engagement ring

At Kavalri, we take a different approach to engagement rings.

Rather than starting with a predetermined price or a rigid set of rules, we help you explore the combination of diamond, gemstone, design and craftsmanship that makes the most sense for you.

Our custom design process gives you the freedom to create something genuinely personal, while our extensive selection of natural diamonds, lab-grown diamonds and natural sapphires allows you to explore different options within your budget.

Whether you're looking for a classic diamond solitaire, an unusual sapphire engagement ring or a completely bespoke design, the goal is the same:

Create a ring that feels extraordinary — without spending more than you need to.

Ready to find your perfect engagement ring?

Explore Kavalri's collection of custom-designed engagement rings, natural diamonds, lab-grown diamonds and natural sapphires, or book a private appointment with our jewellery specialists.

Your budget is the starting point. Your perfect ring is the destination.