Ring Size Guide

You're absolutely right! Finding the right ring size is crucial when it comes to special moments like engagements, weddings, or even for personal fashion. The considerations you mentioned, such as the impact of time of day, weather, and even personal factors like hydration levels, can indeed influence the measurement of a person's ring size.

Finger Size Variations:

Finger sizes can change throughout the day due to factors like temperature and hydration. Fingers tend to be smaller in the morning or in cold weather, and larger in the evening or when it's hot.

Best Time to Measure:

The evening, when fingers are warm and at their largest, is generally considered the best time to measure finger size for accuracy.

Choosing a Size:

If you're uncertain between two sizes, it's better to opt for the slightly larger size to ensure the ring can easily slide over the knuckle.

Measurement Technique:

If the knuckle is larger than the base of the finger, measuring both the knuckle and the base and selecting a size in between can help accommodate both sections of the finger.

Multiple Measurements:

Measuring the finger size multiple times during the day can provide a more comprehensive understanding of the size variations.

Surprise Ring:

If you're planning a surprise and need to determine the recipient's ring size without their knowledge, you can consult their friends or family members for assistance. Alternatively, borrowing one of their existing rings and seeking help from a jeweler is a discreet way to find the correct size.

Hand Differences:

It's important to note that the right hand and left hand can have different sizes, so if you're planning to wear multiple rings, it's wise to measure each hand separately.
These guidelines can help ensure that the ring fits comfortably and securely, enhancing the overall experience of wearing it.

Common Ring Sizes

It might be difficult to accurately select the correct ring size online, and especially if it is intended to be given as a surprise gift, guessing the ring size would be the realistic option.
If you are not sure about the size of the ring, you can always order the average ring size and send it back to us for resizing within the first 60 days of receipt of your product.

Request a free Ring Sizer

Ring sizer is a tool to find out your accurate ring size. We always encourage our customers to benefit from the opportunity we offer, considering that our sizer and its shipping is free.
If you are not sure about the size of the ring, you can always order the average ring size and send it back to us for resizing within the first 60 days of receipt of your product.

Printable Ring Sizer

In case of the occasion being just around the corner, you can always download our free ring sizer in the PDF format which comes along with instruction manual. Download the free ring sizer in PDF format here.

Tips for Measuring Ring Size

  • Measure in Average Temperatures: Measure your ring size when your hands are at an average temperature. Cold hands can lead to a smaller size reading, while hot hands can make it appear larger. End of the day is generally a good time, as your fingers tend to be slightly larger.
  • Account for Ring Width: Wider bands can feel tighter, so if you're choosing a ring with a band width of around 6 mm or more, consider moving up a size from your normal ring size to ensure comfort.
  • Consider Stone Size: Rings with large stones might lift the band when laid on its side. To accommodate this, you might need to order the next size up to ensure a proper fit.
  • Measure Both Knuckle and Base: If your knuckle is larger than the base of your finger, measure both the knuckle and the base. Then, select a size that falls in between the two measurements to ensure the ring fits comfortably over your knuckle without being too loose at the base.
    Snug Yet Comfortable Fit: Your ring should be snug enough to not fall off, but also loose enough to slide comfortably over your knuckle. The fit should feel secure without being too tight or causing discomfort.
  • Choose the Larger Size: If you're uncertain between two sizes, opt for the larger one. It's generally easier to resize a slightly larger ring down if needed, rather than resizing a smaller one up.
  • Repeat Measurements: To ensure accuracy and eliminate errors, measure your ring size multiple times (around 3 to 4 times) and take an average of the results. This can help account for any variations in the measurements.
  • Use Multiple Methods: It's a good idea to use multiple methods to measure your ring size. For example, you can try using a paper strip or a ring sizing tool to cross-reference your measurements.
  • Consider Professional Sizing: If you're unsure about measuring your ring size accurately at home, consider visiting a jeweler or a local jewelry store to have a professional measure your ring size for you.

Important Notes
We request you to avoid getting your item resized by a third party such as another jeweler or an expert not endorsed by IRIS as it will void your lifetime warranty.
Do note that the resizing process may take up to 15 business days depending on the product and the resized ring will not be eligible for a refund.