HOW TO SIZE AN ENGAGEMENT RING: HELPFUL TIPS TO GET IT RIGHT

So you’re thinking about proposing (or just doing the early research—we see you), and you’re stuck on one big question: How in the world do I figure out their ring size?

Don’t stress. Whether you're secretly planning a proposal or just want to ensure the fit is perfect, this guide breaks down everything you need to know about engagement ring sizing. Let’s explore your options based on the proposal, since most people fine-tune the fit with their jeweler after spending some time wearing the ring.

FIRST THINGS FIRST: IS AN ENGAGEMENT RING SIZED DIFFERENTLY?

Not really. An engagement ring size is the same as any other ring size. The difference? This one matters a lot more (no pressure). That’s why getting the right engagement ring fit is kind of a big deal, especially if you’re planning a surprise.

That said, there are a few unique factors to keep in mind, like:

• Daily wear: Engagement rings are worn all the time, so comfort is key.
• Setting style: Some bands are thicker or have a wider fit, which can feel tighter.
• Seasonal swelling (yes, that’s real).

Should I Size Up or Down for Seasonal Swelling?

It makes a difference and varies by person. Warmer months can make fingers swell a bit, while cold temps might shrink them. When you’re unsure, a good rule of thumb:

• If they’re mostly cold-handed? Stick true to size.
• If they run warm or live somewhere hot? Consider sizing up slightly.

The most common engagement ring size for women in the U.S. is around size 6, but it’s always best to get a custom fit—your partner is one of a kind, after all.   

HOW TO SNEAKILY FIND OUT THEIR RING SIZE (WITHOUT BLOWING THE SURPRISE)

Need to be stealthy? We've got some subtle moves:

• Borrow a ring they already wear (on the correct finger if possible). Trace the inside on paper or go full film noir and press it into a bar of soap. A jeweler can use this to get an estimate.
• Ask a friend or sibling who might know, or enlist them as your undercover agent.
• Use your phone: Snap a pic of a ring next to a ruler or coin for scale.
• Try it on yourself and mark where it fits on your finger. Sounds weird, but it works in a pinch.

Printable ring size charts or the old string method have many variables and present inaccurate results, so we wouldn’t call those reliable.

What’s the most accurate way to get your ring size?

Visit a jeweler for an in-person sizing. It’s quick, free, and takes the guesswork out of the equation. Odds are you’re already dreaming up your life together, so embrace the moment with a spontaneous pop-in to a jewelry store.

What If It’s Not a Perfect Fit?

No big deal. Most rings can be resized, especially if it’s a classic gold or platinum band. Here’s what you need to know:

• Rings can typically be resized up or down two sizes.
• It’s best to resize after the proposal if you’re unsure—it’s easier than trying to return a ring because it doesn’t fit.
• Resizing usually costs between $100-$150, depending on the metal, stones and complexity.
• Pro tip: Your engagement ring should be a perfect fit and a good jeweler will want it that way. Check and ensure that your engagement ring comes with complimentary ring sizing.

TLDR: ENGAGEMENT RING SIZING FAQS

How do you know what size engagement ring to get?
Borrow a ring, ask a close friend, trace a comparable ring, or sneak a photo. When in doubt, size slightly up.

How do I find out my partner’s ring size without asking?
Check their jewelry box or try one of their rings on yourself. (Just be sneaky.)

Can I check my ring size at home?
You can, but it isn’t the most reliable method as printable engagement ring size chart, string method, or sizing tools can have many variables.

Is it better to buy a ring that's bigger or smaller?
Sizing up is safer; it’s easier to size down than up, especially if it's a surprise.

How much does it cost to get a ring resized?
It depends on the materials but check that your jeweler offers complimentary ring sizing up or down one size with your engagement ring.

Final Thought: When in Doubt, Ask

Engagement rings are a big moment, but sizing doesn’t have to be a big problem. Whether you're getting measured together or planning the perfect surprise, the most important part is that it fits your story, not just their finger.

When you’re ready, our team is always here to walk you through it, pressure-free, judgment-free, and always happy to help.