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NITONNA RING SIZES
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We offer a range of ring sizes to help you find the perfect fit. Some sizes are available and ready to ship, while others are made to order. If you don’t see your size listed, we also offer custom sizing for a truly personal fit.


These five sizes (XS-XL) are the most commonly ordered and may be in stock for faster delivery. You’ll find availability on each product page.

*If your size is not listed above, you can select Custom Size on the product page and provide your preferred measurement at checkout.

CUSTOM SIZES

We can make rings in any size, including half sizes. Use this chart to find the size that matches your measurement.

HOW TO MEASURE YOUR RING SIZE

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You can measure your ring size at home using one of the two methods below:

MEASURE YOUR FINGER

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1. Wrap a thin string or strip of paper around the base of your finger.

2. Mark where the ends meet.

3. Measure the length in millimeters — this is your finger circumference.

4. Use the chart above to find your size.

Tip: Make sure the string is snug but not tight.

MEASURE AN EXISTING RING

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1. Choose a ring that fits the intended finger.

2. Measure the inside diameter in millimeters.

3. Match the measurement to the size chart.

Tip: you can use a ruler or a ring sizer app

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