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How To Measure Your Ring Size

To help you find your ring size, please view our ring size chart, request a free ring sizer, and tips for measuring at home. 
Before you begin taking your measurements, pick the finger on which you want to wear your ring. The fingers on your dominant hand tend to be larger than those on your non-dominant hand, so keep that in mind when measuring for your ring size. These standard ring sizes can help guide you in the right direction. If you do not see the size you need, contact our experts for help placing a special order. There are also a number of at-home methods to find your ring size.

Request a Free Ring Sizer

We are happy to send you a complimentary ring sizer so that you can easily measure your ring size at home. You can make an order of the ring sizer for 0 cost.

Please note: ring sizers can only be shipped to addresses within the United States and Canada.

REQUEST RING SIZER

Find Your Ring Size With Our Ring Sizing Guide

This is a chart that will be extremely helpful for you to determine the ring size that you need. You can either make use of a tape or a small piece of string to measure the area that will be occupied by the ring. When it becomes a complete circle, make a mark on such string. All MSBLUE rings are specified in standard US sizes. View the conversion chart to see how US sizes map to finger circumference, as well as how US sizes convert to Canada, Australia, UK and other countries.

Inside Diameter (mm)Inside Circumference (mm)US, CanadaUK, Australia, South AfricaFranceGermanyJapan, South AmericaItaly, Spain
14.144.23F441444.5
14.545.53.5G4614.555.25
14.946.84H471576.5
15.3484.5I4815.587.75
15.749.35J-½5014.7599
16.150.65.5K-½5116.251010.25
16.551.96L-½5216.51211.5
16.953.16.5M-½53171312.75
17.354.47N-½5417.251414
17.755.77.5O-½5617.751515.25
18.1578P-½57181616.5
18.558.38.5Q-½5818.51717.75
1959.59R-½59191819
19.460.89.5S-½6119.51920.25
19.862.110T-½62202021.25
20.263.410.5U-½6320.52222.75
20.664.611V-½6420.752324
2165.911.5W-½66212425.25
21.467.212X-½6721.252526.5
21.868.512.5Z6821.752627.75
22.269.713Z+170222729

Ring Size Tips:
1) Our dominant hands are generally slightly larger — make sure you measure the right finger on the correct hand!
2) Make sure the finger is at normal body temperature — fingers can shrink or expand when hot or cold.
3) If your knuckle is a lot larger than the base of your finger, measure both the base of your finger and your knuckle and select a size between the two.

Free Ring Resizing

If you order a ring and love it, but didn’t quite get the ring size right, don’t worry! We are happy to resize your ring one time for FREE within 30 days after purchase. It’s simple: Ship the ring to us and we’ll ship it back. If we determine that we are unable to size the ring up or down to the new size, we will inform you and give you an option to either place a special order for the size required or have it shipped back to you as it is.

LEARN MORE

Our Top Engagement & Wedding Rings

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Moissanite Engagement Ring Solitaire With Pavé Accents
Moissanite Engagement Ring Solitaire With Pavé Accents
Moissanite Engagement Ring Solitaire With Pavé Accents
Moissanite Engagement Ring Solitaire With Pavé Accents
Moissanite Engagement Ring Solitaire With Pavé Accents
Moissanite Engagement Ring Solitaire With Pavé Accents
Moissanite Engagement Ring Solitaire With Pavé Accents
Moissanite Engagement Ring Solitaire With Pavé Accents
Moissanite Engagement Ring Solitaire With Pavé Accents
Moissanite Engagement Ring Solitaire With Pavé Accents
Moissanite Engagement Ring Solitaire With Pavé Accents
Moissanite Engagement Ring Solitaire With Pavé Accents
Moissanite Engagement Ring Solitaire With Pavé Accents
Moissanite Engagement Ring Solitaire With Pavé Accents
Moissanite Engagement Ring Solitaire With Pavé Accents
Moissanite Engagement Ring Solitaire With Pavé Accents
Moissanite Engagement Ring Solitaire With Pavé Accents
Moissanite Engagement Ring Solitaire With Pavé Accents
Moissanite Engagement Ring Solitaire With Pavé Accents
Moissanite Engagement Ring Solitaire With Pavé Accents
Moissanite Engagement Ring Solitaire With Pavé Accents
Moissanite Engagement Ring Solitaire With Pavé Accents
Moissanite Engagement Ring Solitaire With Pavé Accents
Moissanite Engagement Ring Solitaire With Pavé Accents
Moissanite Engagement Ring Solitaire With Pavé Accents
Moissanite Engagement Ring Solitaire With Pavé Accents
Moissanite Engagement Ring Solitaire With Pavé Accents
Moissanite Engagement Ring Solitaire With Pavé Accents
Moissanite Engagement Ring Solitaire With Pavé Accents
Moissanite Engagement Ring Solitaire With Pavé Accents
Moissanite Engagement Ring Solitaire With Pavé Accents
Moissanite Engagement Ring Solitaire With Pavé Accents
Moissanite Engagement Ring Solitaire With Pavé Accents
Moissanite Engagement Ring Solitaire With Pavé Accents
Moissanite Engagement Ring Solitaire With Pavé Accents
Moissanite Engagement Ring Solitaire With Pavé Accents
Moissanite Engagement Ring Solitaire With Pavé Accents
Moissanite Engagement Ring Solitaire With Pavé Accents
Moissanite Engagement Ring Solitaire With Pavé Accents
Moissanite Engagement Ring Solitaire With Pavé Accents
Moissanite Engagement Ring Solitaire With Pavé Accents
Moissanite Engagement Ring Solitaire With Pavé Accents
Moissanite Engagement Ring Solitaire With Pavé Accents
Moissanite Engagement Ring Solitaire With Pavé Accents

Moissanite Engagement Ring Solitaire With Pavé Accents

Tapered Baguette Three Stone Engagement Ring [Ships within 24 hrs]
Tapered Baguette Three Stone Engagement Ring [Ships within 24 hrs]
Tapered Baguette Three Stone Engagement Ring [Ships within 24 hrs]
Tapered Baguette Three Stone Engagement Ring [Ships within 24 hrs]
Tapered Baguette Three Stone Engagement Ring [Ships within 24 hrs]
Tapered Baguette Three Stone Engagement Ring [Ships within 24 hrs]
Tapered Baguette Three Stone Engagement Ring [Ships within 24 hrs]
Tapered Baguette Three Stone Engagement Ring [Ships within 24 hrs]
Tapered Baguette Three Stone Engagement Ring [Ships within 24 hrs]
Tapered Baguette Three Stone Engagement Ring [Ships within 24 hrs]
Tapered Baguette Three Stone Engagement Ring [Ships within 24 hrs]
Tapered Baguette Three Stone Engagement Ring [Ships within 24 hrs]
Tapered Baguette Three Stone Engagement Ring [Ships within 24 hrs]
Tapered Baguette Three Stone Engagement Ring [Ships within 24 hrs]
Tapered Baguette Three Stone Engagement Ring [Ships within 24 hrs]
Tapered Baguette Three Stone Engagement Ring [Ships within 24 hrs]
Tapered Baguette Three Stone Engagement Ring [Ships within 24 hrs]
Tapered Baguette Three Stone Engagement Ring [Ships within 24 hrs]

Tapered Baguette Three Stone Engagement Ring [Ships within 24 hrs]

Three Stone Princess Shaped Moissanite Engagement Ring
Three Stone Princess Shaped Moissanite Engagement Ring
Three Stone Princess Shaped Moissanite Engagement Ring
Three Stone Princess Shaped Moissanite Engagement Ring
Three Stone Princess Shaped Moissanite Engagement Ring
Three Stone Princess Shaped Moissanite Engagement Ring
Three Stone Princess Shaped Moissanite Engagement Ring
Three Stone Princess Shaped Moissanite Engagement Ring
Three Stone Princess Shaped Moissanite Engagement Ring
Three Stone Princess Shaped Moissanite Engagement Ring
Three Stone Princess Shaped Moissanite Engagement Ring
Three Stone Princess Shaped Moissanite Engagement Ring
Three Stone Princess Shaped Moissanite Engagement Ring
Three Stone Princess Shaped Moissanite Engagement Ring
Three Stone Princess Shaped Moissanite Engagement Ring
Three Stone Princess Shaped Moissanite Engagement Ring
Three Stone Princess Shaped Moissanite Engagement Ring
Three Stone Princess Shaped Moissanite Engagement Ring
Three Stone Princess Shaped Moissanite Engagement Ring
Three Stone Princess Shaped Moissanite Engagement Ring
Three Stone Princess Shaped Moissanite Engagement Ring
Three Stone Princess Shaped Moissanite Engagement Ring
Three Stone Princess Shaped Moissanite Engagement Ring
Three Stone Princess Shaped Moissanite Engagement Ring
Three Stone Princess Shaped Moissanite Engagement Ring
Three Stone Princess Shaped Moissanite Engagement Ring
Three Stone Princess Shaped Moissanite Engagement Ring
Three Stone Princess Shaped Moissanite Engagement Ring
Three Stone Princess Shaped Moissanite Engagement Ring
Three Stone Princess Shaped Moissanite Engagement Ring
Three Stone Princess Shaped Moissanite Engagement Ring
Three Stone Princess Shaped Moissanite Engagement Ring
Three Stone Princess Shaped Moissanite Engagement Ring
Three Stone Princess Shaped Moissanite Engagement Ring
Three Stone Princess Shaped Moissanite Engagement Ring
Three Stone Princess Shaped Moissanite Engagement Ring
Three Stone Princess Shaped Moissanite Engagement Ring
Three Stone Princess Shaped Moissanite Engagement Ring
Three Stone Princess Shaped Moissanite Engagement Ring

Three Stone Princess Shaped Moissanite Engagement Ring

Twist Vine Princess-Cut Moissanite Engagement Ring
Twist Vine Princess-Cut Moissanite Engagement Ring
Twist Vine Princess-Cut Moissanite Engagement Ring
Twist Vine Princess-Cut Moissanite Engagement Ring
Twist Vine Princess-Cut Moissanite Engagement Ring
Twist Vine Princess-Cut Moissanite Engagement Ring
Twist Vine Princess-Cut Moissanite Engagement Ring
Twist Vine Princess-Cut Moissanite Engagement Ring
Twist Vine Princess-Cut Moissanite Engagement Ring
Twist Vine Princess-Cut Moissanite Engagement Ring
Twist Vine Princess-Cut Moissanite Engagement Ring
Twist Vine Princess-Cut Moissanite Engagement Ring
Twist Vine Princess-Cut Moissanite Engagement Ring
Twist Vine Princess-Cut Moissanite Engagement Ring
Twist Vine Princess-Cut Moissanite Engagement Ring
Twist Vine Princess-Cut Moissanite Engagement Ring
Twist Vine Princess-Cut Moissanite Engagement Ring
Twist Vine Princess-Cut Moissanite Engagement Ring
Twist Vine Princess-Cut Moissanite Engagement Ring
Twist Vine Princess-Cut Moissanite Engagement Ring
Twist Vine Princess-Cut Moissanite Engagement Ring
Twist Vine Princess-Cut Moissanite Engagement Ring
Twist Vine Princess-Cut Moissanite Engagement Ring
Twist Vine Princess-Cut Moissanite Engagement Ring
Twist Vine Princess-Cut Moissanite Engagement Ring
Twist Vine Princess-Cut Moissanite Engagement Ring
Twist Vine Princess-Cut Moissanite Engagement Ring
Twist Vine Princess-Cut Moissanite Engagement Ring
Twist Vine Princess-Cut Moissanite Engagement Ring
Twist Vine Princess-Cut Moissanite Engagement Ring
Twist Vine Princess-Cut Moissanite Engagement Ring
Twist Vine Princess-Cut Moissanite Engagement Ring
Twist Vine Princess-Cut Moissanite Engagement Ring
Twist Vine Princess-Cut Moissanite Engagement Ring
Twist Vine Princess-Cut Moissanite Engagement Ring
Twist Vine Princess-Cut Moissanite Engagement Ring
Twist Vine Princess-Cut Moissanite Engagement Ring
Twist Vine Princess-Cut Moissanite Engagement Ring
Twist Vine Princess-Cut Moissanite Engagement Ring

Twist Vine Princess-Cut Moissanite Engagement Ring

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