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Find Your Exact Ring Size
Having trouble finding the correct size for you engagement ring or wedding band? Here are some helpful tips:
Measure your finger
Measure your finger online or Request a free Granddiamonds sizing kit.
Ask a friend or relative
Her mom, sister or best friend could probably get the information without raising too much suspicion.
| Ring Size Converter: | |||
| mm | U.K | U.S |
Different engagement rings flatter different finger types.Your surprise proposal may be foiled by a tiny, but very important detail: you don't know what size to make the engagement ring.
Find the most flattering ring for your unique finger shape and size, be it short, long, slender or wide.
Do you have an old ring that fits?
What do you prefer?
Measure your ring size online
Our amazing technology can help you figure out your
ring size... right on the screen.
Measure your finger online
Our precise calibration lets you figure out your ring size
by measuring your finger.
Request free ring sizer
We are happy to mail you a free ring sizer.
Just complete the form below and we'll get one to you right away.
How to measure ring size online
Learn how to determine your ring size quickly and easily.
You will need to calibrate your screen. To do so, just place a credit card or driver's license on the screen as indicated and then drag sliders so that they fit the card. Establishing the width of the card is essenttial for the ring sizer to work accurately.
There are two methods of finding your ring size:
1. Use any ring that fits the finger you plan to wear your new ring on and place it over the circles. Match the ring to the circle that completely fills the inside of the ring without overlapping. The size written inside the matching circle is your ring size.
2. Use our virtual ruler to find your ring size. First, cut a thin strip of paper that can comfortably wrap around the base of the appropriate finger. Mark the spot on the paper where it completes a circle. Place the strip of paper against the ruler and match your size.