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Ring Size Guide

The first and most important step before buying that beautiful band is ring size. Whether it’s for an engagement, anniversary, or a simple gift-giving, buying the perfect ring is key to making the milestone a momentous one. This includes the finer details that are crucial to perfection – most important of which is the size of the ring.

Be sure to measure your finger in the evening. This is because temperature affects the size of your finger. Early in the day and in cold weather, your fingers will tend to be smaller than usual. Conversely, heat and humidity may cause your fingers to swell and be larger than normal.

Apart from reading through the information below, please feel free to download Eterniti's ring size guide in your quest for the perfect ring.

Steps to measure your ring size:


  1. Find a piece of string or strip of paper no wider than 1cm, and wrap it around the base of the appropriate finger. 
  2. Use a pen to mark the point where it overlaps, forming a complete circle. 
  3. With a ruler, measure the length from the starting end of the string/paper to the pen mark. 
  4. Use this measurement and the chart below to determine your ring size against the circumference measurement.

Alternatively place a ring that fits you on a piece of paper and trace it on the inside - measure the diameter as per the diagram and ring size chart to determine your appropriate size. If you are between sizes, it is best to order the larger version.



      Size         Circumference Size   Circumference 
Size B 39.1 mm  Size Q
 58.4 mm 
Size D 41.6 mm Size R
 59.7 mm 
Size F44.0 mm Size S 
60.9 mm
Size H46.5 mm Size T 
62.2 mm 
Size J49.0 mm Size U 
63.5 mm 
Size K50.3 mm  Size V  64.7 mm  
Size L 51.7 mmSize W  66.0 mm  
Size M53.1 mm Size X   67.2 mm  
Size N 54.3 mmSize Y 68.5 mm
Size O 55.6 mm Size Z
 69.7 mm 
Size P 57.2 mm  Size Z+1  71.0 mm 


Rings are exquisite, symbolic pieces of jewellery that tend to mark very important milestones in people’s lives. Make sure that your purchase of the perfect band is not marred by pointless technicalities. Enjoy hassle-free shopping by ensuring that you know your ring size and enjoy the meaningful parts of life with a treasure to match.