0121 200 1300

What Carat Should An Engagement Ring Be?

27 February 2020
Image for What Carat Should an Engagement Ring Be?

In the UK, the average carat size for an diamon engagement ring is between one and half a carat. Some suggest it is 0.6 carats.



When it comes to getting engaged, there's a lot of planning and preparation involved. From deciding how much you should spend on an engagement ring to knowing how to buy an engagement ring, thinking about where you should propose and what precious metal should you choose, there's a million and one things to consider.  


How Many Carats Should an Engagement Ring Be?


In the UK, the average carat size for a diamond engagement ring is between one and half a carat. Some suggest it is 0.6 carats. 

A common question we often get at Diamond Heaven is ‘how many carats should an engagement ring be?' or ‘what is the best carat diamond?'  When it comes to deciding how many carats your engagement ring should be, go for what you can afford. Do not try and reach the average carat size if you don't have the means to do so. You should always get something you can afford. Your engagement ring is a symbol of your love and a new beginning together - don't start your future with your spouse in debt (unless you've got a sensible financing option of course). Remember, carat is different to 'karat' - the term used to describe the purity of gold! 







A carat is a unit of measure for precious stones and pearls. A carat is equivalent to 200 milligrams. You can find out more about diamonds on the GIA scale. The largest diamond ever sold at an auction was an 118-carat egg sized diamond that went for $30.6 million at Sotheby's in Hong Kong. But don't worry - that's nowhere near the price or size of an average engagement ring! It's also important to remember that engagement and wedding traditions differ in every culture, it isn't one size fits all!



In the UK, the average weight of a diamond in an engagement ring sits at 0.6 carats, but the average diamond carat size and price fluctuates across different countries. This is because a lot of people place emphasis on the size of the diamond, making it become a measurement of love rather than a symbol of a new beginning and ultimate commitment. In some cases, people are embarrassed to give their beau a smaller diamond - especially in comparison to the rocks on their friends and families fingers.

Carat size by country




Simply put, if you are looking for a larger carat diamond but do not want to sacrifice the quality of diamond, it will set you back. Finding the right diamond is a comprimise of budget and want. As soon as you let the size of the diamond influence the budget, you'll either find yourself in a lot of debt, or you may be sacrificing the clarity of the diamond. If you've got a budget of £2,200 and you want to reach the average of 0.6 carat, you'll need to make sure you've got enough for the setting as well. The chances are the quality of the diamond you get will be quite poor. We always recommend buying a smaller diamond with a much better cut - this will always determine how brilliant the diamond will be. A sparkly diamond can hide inclusions, mask colour and even look larger.



Wanting to buy the largest diamond you can afford is understandable, but it is crucial that you don't sacrifice the quality of your engagement ring for an extra 0.2 of a carat. Here are a few tips to help you get the best diamond engagement ring for your money:

  • Get the best cut possible - as we said earlier, the cut will determine how brilliant a diamond will be. Remember-  the highest quality diamond will not shine to its potential and be very dull if the cut is poor. The best cut means you can save money on color and clarity.

  • Look for a diamond slightly under the magic numbers. What are these magic numbers? Every 0.5 carats. At these weights, diamond sellers will demand significantly more. If you go just below a magic number, you might be able to buy a diamond for as much as 25% less than the asking price.

  • Choose a diamond lower in clarity. Clarity is one of the best ways to save money. Most flaws in a diamond are almost impossible to see with the naked eye. VS2 diamonds. And SI1, SI2, or even I1 diamonds could literally save you thousands.

  • Think about the metal you want. Yellow gold or Rose gold will be so much cheaper than white gold or platinum. This is because you can choose a diamond lower in colour, allowing for huge savings.

Have a look at our stunning diamond engagement rings here.