How to Determine Your Ideal Ring Size: A Guide to Ring Size

Have you ever come across an Instagram post of celebrities and their engagement rings with the biggest smiles on their faces? Just like them, most people look forward to wearing a cute, fancy ring forever. Whether it is a natural diamond ring or a lab-grown diamond engagement ring, indeed, nothing beats having a precious stone seal one’s love forever.

Though everyone wants one, most people need to remember the ring size as they plan for their dream ring. Yes, you can resize a ring. But why go through the stress of resizing one when you can get an accurate size from one try or a ring size chart?

The good news is that you can get a good ring without the presence of an expert vendor. After reading for only a few minutes, this guide will help you find the ideal ring size for you or your partner in seconds, like an expert!

Key Steps to Determine Your Ideal Ring Size

Since getting the right ring size is as crucial as getting the ring, you should prioritize knowing the ring size. Getting the ring that fits best involves two key steps, which are:

  1. Use a Preferred Sizing Method

To get the size right, use an accurate method to measure your ring finger’s width or diameter. Then, when you are sure you have the right measurement, compare what you have with those from a ring size chart.

Some sizing methods you can try include:

  • Using a Ring to Get an Idea 

This method is easy to use, as all you need is a ring, and viola, you get the perfect ring size. Also, this should be your go-to plan if you want to surprise your better half with a ring. 

But how do you get the size of an existing ring? All you have to do is measure the ring’s internal diameter. But, of course, you must be careful only to measure the internal diameter, as a slight error may result in the ring becoming too tight or loose. 

  • Use a Plastic Ring Sizer

Most ring sizers are accurate, so you don’t have to go through the stress of getting accurate finger widths. However, if you plan on surprising someone, ring sizers are not ideal.

  • Get a Thin Piece of Paper To Measure

To use a piece of paper or a thin string and wrap the material around the ring finger. Mark the point where both sides of the paper or string meet. After marking, get the diameter by measuring the marked length with a small ruler. After that, you can compare the measurement to that of a recognized ring size chart.

However, note that papers twist and bend, and strings expand, which can give you a false result.

  1. Check Up the Ring Size in the Ring Size Chart

After you get the right ring size, the next thing is to match it up on the ring size chart. Now, regardless of the measuring tools used, the ring size chart can help you get the exact size. 

With the chart, you can get any kind of ring, even a diamond engagement ring, from anywhere on earth. But here is the catch: your measurement has to be accurate or close to being accurate to get the engagement or wedding band that fits best. 

So, how do you use the ring size chart? Here are a few things to consider:

  • An ideal ring size chart has two measurement columns: one for the ring diameter and the other for the ring circumference. The column you use depends on the kind of measurement you take. 
  • If you use a ring sizer or a piece of paper around the supposed ring finger, you should use the circumference column. If you only measured the diameter, that is, from one end of the finger to another, with a measuring stick or ruler, then you have to use the diameter column.
  • Note the width of your finger and the ring size when done. Some stores you might shop at may have different size guides they follow.

Helpful Tips to Guide You in Choosing the Right Ring Size

Knowing how to get your actual ring size from a ring size chart may not be enough to get you a diamond ring that fits well. Some helpful tips to keep in mind to make a better choice include:

  • Understand the average ring size. This would help when you are picking an engagement ring or for a partner who doesn’t stay as close. It will help if you know that the average ring size differs for different genders. 

The hands and fingers of females are smaller, so the average ring size lies around 5 to 7 millimeters. The fingers of males are different, so the average lies between 8 and 10.5 millimeters. Knowing the average will help you limit errors as you measure.

  • Finger knuckles are larger, so measure the knuckle and the base of the finger, then find an average of both measurements. When choosing the right ring size, the ring should fit firmly but never too tight to restrict blood flow around the knuckles.
  • Measure the exact finger on which you intend to wear the ring, not the opposite on the other side. If, for instance, you plan to wear the ring on the right ring finger, then measure the right ring finger, not the left ring finger.
  • Measure the intended ring finger as often as possible at different times of the day. For example, it is common to wear engagement rings on the middle finger. Therefore, measure the middle finger multiple times a day if you want an engagement ring. 

You measure at different times because temperature and activities affect the size of fingers, so measuring once may give false results. After measuring, find the average to get something that is closest to the most accurate ring size. 

Wherever you intend to get a wedding band, whether it is a diamond wedding band or not, measure the ring finger. But the same rules apply.

  • When you intend to get diamond rings, consider the diamond settings. Settings with larger bands fit better than others with smaller bands.


Finding the perfect fit should be a top priority, whether it is a diamond wedding ring or a precious ring you need for an engagement or to seal your love. Yet, you have to be careful to make the right choice as you pick the right size. 

So, it’ll help if you consult expert vendors to get high-quality diamond rings that will look great and feel great.

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