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Ring size guide

 Ring Size Guide  |  Request Free Ring Sizer

Introduction

If you are uncertain of the ring size required, Diamonds & Rings can send you a free ring sizer so that you can double check before ordering.

Please use this guide before placing the order and/or request a free ring sizer.

If you are still not sure of the size when ordering or are planning a surprise proposal then please select ‘standardised size’ in the Ring Size drop down box.  Your chosen ring will then be sent out in a standard size which can then be resized by us once you are certain of the correct size we will do this free of charge.  (Please note this is not possible with Eternity Rings).

**If you have ordered a particular ring size then we will be able to resize if the wrong size was ordered but this will be subject to a small charge**

We simply require you to follow these three steps:

  1. Please email us with your order number and correct ring size to cusrtomerservice@diamondsandrings.co.uk
  2. We will email with a reference and return address.
  3. Place parcel in a securely packaged parcel or padded envelope.
  4. Please send the ring to us using Royal Mail’s ‘ Special Delivery’, FedEx service and send us the tracking code by email again to customerservice@diamondsandrings.co.uk

Important:
Please note that finger re-sizing is not available for full diamond eternity rings or some diamond set wedding rings as this would cause damage to the diamonds encircling the band.

Ring Size Guide

How to measure your finger:

  1. Place a piece of string or paper strip around the base of your finger.
  2. Mark the string or paper where it overlaps to form a complete circle.
  3. Measure the length of the section of string or paper with a ruler where it overlaps around the finger.
  4. Finally, compare your measurement with this chart to determine your ring size.

Top Tip!

If you are unable to measure the lady's finger you may be able to try on one of her rings which she wears on her left hand ring finger.  Find one of your fingers which that ring fits and then measure that finger when she's not around!


Inside diameter Inside circumference Finger Sizes
(in) (mm) (in) (mm) United States
and Canada
United Kingdom,
Ireland,
and Australia
China,
Japan
Switzerland
0.459 11.63 1.44 36.5 0      
0.466 11.84 1.46 37.2 ¼      
0.474 12.04 1.49 37.8 ½ A    
0.482 12.24 1.51 38.5 ¾    
0.49 12.45 1.54 39.1 1 B 1  
0.498 12.65 1.56 39.7    
0.506 12.85 1.59 40.4 C    
0.514 13.06 1.61 41.0    
0.522 13.26 1.64 41.7 2 D 2 1.5
0.53 13.46 1.67 42.3    
0.538 13.67 1.69 42.9 E 3 2.75
0.546 13.87 1.72 43.6    
0.554 14.07 1.74 44.2 3 F 4 4
0.562 14.27 1.77 44.8 5 5.25
0.57 14.48 1.79 45.5 G    
0.578 14.68 1.82 46.1 6 6.5
0.586 14.88 1.84 46.8 4 H 7  
0.594 15.09 1.87 47.4   7.75
0.602 15.29 1.89 48.0 I 8  
0.61 15.49 1.92 48.7 J   9
0.618 15.70 1.94 49.3 5 9  
0.626 15.90 1.97 50.0 K   10
0.634 16.10 1.99 50.6 10  
0.642 16.31 2.02 51.2 L   11.75
0.65 16.51 2.04 51.9 6 11 12.75
0.658 16.71 2.07 52.5 M 12  
0.666 16.92 2.09 53.1 13 14
0.674 17.12 2.12 53.8 N    
0.682 17.32 2.14 54.4 7 14 15.25
0.69 17.53 2.17 55.1 O    
0.698 17.73 2.19 55.7 15 16.5
0.706 17.93 2.22 56.3 P    
0.714 18.14 2.24 57.0 8 16 17.75
0.722 18.34 2.27 57.6 Q    
0.73 18.54 2.29 58.3 17  
0.738 18.75 2.32 58.9 R   19
0.746 18.95 2.34 59.5 9 18  
0.754 19.15 2.37 60.2 S   20.25
0.762 19.35 2.39 60.8 19  
0.77 19.56 2.42 61.4 T   21.5
0.778 19.76 2.44 62.1 10 20  
0.786 19.96 2.47 62.7 10¼ U 21  
0.794 20.17 2.49 63.4 10½ 22 22.75
0.802 20.37 2.52 64.0 10¾ V    
0.81 20.57 2.54 64.6 11 23  
0.818 20.78 2.57 65.3 11¼ W   25
0.826 20.98 2.59 65.9 11½ 24  
0.834 21.18 2.62 66.6 11¾ X    
0.842 21.39 2.65 67.2 12 25 27.5
0.85 21.59 2.67 67.8 12¼ Y    
0.858 21.79 2.70 68.5 12½ Z 26 28.75
0.866 22.00 2.72 69.1 12¾    
0.874 22.20 2.75 69.7 13   27  
0.882 22.40 2.77 70.4 13¼ Z+1    
0.89 22.61 2.80 71.0 13½      
0.898 22.81 2.82 71.7 13¾ Z+2    
0.906 23.01 2.85 72.3 14 Z+3    
0.914 23.22 2.87 72.9 14¼      
0.922 23.42 2.90 73.6 14½ Z+4    
0.93 23.62 2.92 74.2 14¾      
0.938 23.83 2.95 74.8 15      
0.946 24.03 2.97 75.5 15¼      
0.954 24.23 3.00 76.1 15½      
0.962 24.43 3.02 76.8 15¾      
0.97 24.64 3.05 77.4 16      
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