What is the average size of the diamond in engagement rings?

Buying an engagement ring is a daunting task. With all factors to consider, like colour, cut and clarity, choosing the right one for your partner can be confusing. But the first thing that might come into your mind is the carat.

Carat refers to the weight of a diamond, and one carat is equal to 0.2 grams. While it is not the most important factor to consider, having a specific weight in mind can lead you to your final decision.

The average size of diamonds in engagement rings in Australia

In 2024, the timeless 1 carat solitaire engagement ring remains a popular and classic choice for natural diamonds. However, the rise in popularity of lab-grown diamonds has led to an increase in the average and popular sizes, with 1.50 and 2.0 carat diamonds now being more common choices.

But remember, the best carat size to purchase depends on your finger size and what compliments your finger profile. The smaller the finger, the larger the diamond will appear; therefore, you may wish to choose a smaller style that compliments a smaller hand and fingers. Selecting a ring style with the finger size in mind will help ensure comfort, balance and suitability. If you are adamant about buying a larger carat than the most desired 1-carat diamond, consider fancy shapes apart from the classic round shape.

Pear and marquise-shaped diamonds make the ring carat appear more prominent than other shapes at the same carat weight.

One trick to buying a larger stone for less is going just below the average 1-carat size. Diamond prices go up for every 0.5 carats. So if you want to meet the average but are slightly short on budget, opt for a 0.9 carat, and nobody will be able to tell the difference.

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Does size matter?

While size is an important consideration, there are still other major factors at play, often called the 4 C’s: cut, colour, clarity and carat. These 4 C’s determine the cost of a diamond.

Cut determines how brilliant the stone will be. An ideally cut diamond can be so sparkly that it hides the imperfections of the gemstone. This means you can save a few bucks in colour and clarity.

Remember that the cut is more important than the carat weight. A 0.9 carat ideally cut diamond will look better and significantly cost less than a full carat, poorly cut diamond. Not only that, but both diamonds will have around the same surface area.

As Australians prefer quality over the size of the diamond, it is essential to go over these factors before making your decision.

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What should you buy?

After all considerations, everything will ultimately go down to your budget. After all, the ring should be a symbol of your love for your partner, not a status symbol.

Choosing an engagement ring for your loved one can be difficult. This is especially if you don’t have a clue of what she wants or have a specific gem in mind. But if you’re still unsure of what to get her: you can never go wrong with a diamond engagement ring. It’s classic and timeless. After all, diamonds are forever.

Should you want a thorough explanation on how you can choose the right engagement ring, then you would want to read our post here.

Need a bespoke diamond engagement ring?

If your eyes are set already on a custom engagement rings, then that’s great! You are one step closer in finishing your proposal planning. Do you need a custom-made ring? We have designed many pieces over the years, including engagement rings in Sydney as well as engagement rings in Melbourne and Brisbane. Monty Adams Jewellery Concierge can help you out with that. Book an appointment with us now!