SURI · THE FIT GUIDE

Find your fit

A little measuring. A better fit.

Use a ring you already love, or measure the finger you plan to wear it on. You’ll need a millimeter ruler and a narrow strip of paper.

Paper strip wrapped around a finger and marked at the overlap
Mark the overlap, then flatten the strip and measure it with a millimeter ruler. Images are illustrative, not actual size.

01 / Measure an existing ring

  1. Choose a ring that fits the same finger and hand comfortably.
  2. Place it flat and measure across the center, from one inside edge to the other. Exclude the metal band.
  3. Match that inside diameter to the size chart.

02 / Measure your finger

  1. Wrap a narrow paper strip around the base of your finger. Keep it close without squeezing.
  2. Mark the overlap, flatten the strip, and measure to the mark in millimeters. This is your finger circumference.
  3. Repeat two or three times, then compare with the circumference column. Check that the fit can pass over your knuckle.
Measure with comfortably warm hands, toward the end of the day. Each finger can be a different size. Wider bands and stacks may feel closer than a single narrow ring.
Between sizes?

Choose the next available size up if the smaller size feels tight. Check this product’s size selector. For the most reliable measurement, use a jeweler’s ring sizer.

Let’s find your fit.

Need a measurement for this piece? Our team can help.

Contact Suri

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4.8
Rated 4.8 out of 5 stars
Based on 8 reviews
100%would recommend this product
8 reviews
  • NR
    Nicole R.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    4 days ago
    5 Stars

    Clean outline, lovely gold color. I would choose the same ring again.

  • PY
    Paige Y.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    4 weeks ago
    5 Stars

    My letter is the whole point of the design, and I love that! No extra stones or fuss around it. 🙌

  • PC
    Phoebe C.
    Verified Buyer
    I recommend this product
    Rated 4 out of 5 stars
    1 month ago
    4 Stars

    I like the ring but had to get used to how the letter sits on my finger. It is more distinctive than a plain signet face.

  • RH
    Rachel H.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    1 month ago
    5 Stars

    I bought this after trying a friend's initial ring and realizing I liked a simple letter more than a whole name. The Serra has a nice clear shape and looks good next to a narrow band. I went with white gold because most of my jewelry is that color. It has been easy to work into what I already wear, which was exactly what I wanted.

  • RN
    Rebecca N.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    2 months ago
    5 Stars

    I enjoy wearing mine alone because the letter is easy to notice that way. The band feels comfortable and I haven't found it awkward beside my other fingers. It is a small thing, but getting to choose my own initial made the purchase feel much more considered than a plain fashion ring.