8 min read

Engagement ring mission: A guide for novice grooms

Are you going to propose and don't know her ring size? We'll give you the best spy tricks to find out without her suspecting a thing. Get it right the first time!

Wedded Team
Guide to measuring engagement ring size

How to Get the Right Ring Size: Mission (Almost) Impossible

Come on, admit it. You've decided to take the plunge. You're about to embark on one of the most epic missions of your life, one that would make even Messi tremble before taking a penalty in the World Cup final. No, I'm not talking about the wedding itself (that's a whole other level). I'm talking about the mission beforehand: buying the engagement ring.

You've visualized the scene a thousand times: you get down on one knee, take out the little box, she cries with emotion, says "Yes, I do!" and... the ring doesn't fit. Or worse, it jiggles on her finger like a hula hoop. Catastrophe. Game over. You failed the first boss fight.

If you want to capture that emotional moment without your partner knowing, consider hiring a spy photographer for your proposal—it's a trend that's gaining popularity.

Relax, future hero. Don't panic. Buying an engagement ring is an art, and knowing the right size is the masterstroke. It's like knowing exactly when to use the turbo boost in Mario Kart to overtake on the last corner. It seems like magic, but it's actually pure strategy.

In this guide, you'll become a secret agent worthy of MI6. We'll give you the best tricks, from the classics to the most ingenious, so you can find out your girl's ring size without her noticing a thing. Get ready to become the James Bond of jewelry.

Pro tip: After the proposal, the next step is to organize the engagement dinner with both families. And if you haven't yet chosen a date, consider the best season to propose based on your region and climate preferences.

The Art of War (of Sizes)

Before we head into battle, you need to understand the enemy: finger size. It's a fickle adversary. It changes with heat, cold, the time of day, and even diet. Yes, buddy, your girlfriend's finger swells and deflates more than the fans at a derby match.

Therefore, the first piece of advice is strategic: try measuring the finger in the late afternoon or evening, when it's usually more swollen. Measuring it in the morning when it's cold might give you a smaller size, and that's a one-way ticket to failure. Think of it like choosing the right kit for a game: you wouldn't play in the snow in short sleeves, would you? Well, this is the same thing.

Stealth Mission: The Borrowed Ring Method

This is the oldest and most reliable trick in the manual, the equivalent of the 4-4-2 formation in soccer. It works, it's simple, and if you do it right, it's foolproof.

How to Execute the Mission

The key is to find a ring she wears frequently, but that she wouldn't miss if she disappeared for a few hours. Important: make sure she wears it on her ring finger, which is where the crown jewel will go. If she wears it on her index finger or thumb, the measurement won't work. It's like trying to use PlayStation controls on an Xbox. It doesn't work.

Once you have the target, you have two options:

  1. The Jeweler's Escape: Take it to your trusted jeweler. They have professional tools (basically a ring sizer) and will give you the exact size in no time. It's the safest option.

  2. The Home Tracing: If you can't "borrow" the ring, you need a plan B. Place the ring on a piece of paper and, with a very fine pencil, carefully draw the inner circle. Do this several times to be sure. Then, take this drawing to the jeweler. It's not as precise as taking the ring, but it's better than nothing.

Red alert! Keep in mind that wider rings usually need half a size or a full size larger than thinner ones. If the ring you "stole" is thin and the one you're going to buy is thicker, tell the jeweler. They'll know how to adjust the strategy.

The Tech Spy: Reference Photography

Can't steal a ring? No problem. It's time to move on to plan B, worthy of a movie hacker. This method requires a steady hand and a phone with a good camera. The mission is to take a picture of the ring next to a standard-sized object.

How to carry out the mission

  1. Find the moment: Wait until they take off the ring and leave it on the nightstand or in the bathroom.

  2. Prepare the crime scene: Place a coin (a euro, for example, whose diameter is known and universal) right next to the ring.

  3. Shoot with precision: Take a photo from a bird's-eye view, that is, directly above. Make sure both the ring and the coin are on the same plane and in focus. If the photo is taken at an angle, the perspective will be misleading, and the measurement will be incorrect.

  4. Send the evidence: Send the photo to your jeweler. With the coin as a reference, they can use a design program to calculate the ring's diameter and, therefore, the size.

This method is ingenious and will make you feel like a real spy. It's the equivalent of scoring a free kick using goal-line technology. Precise and incredibly satisfying.

The Unexpected Ally: Involve Her Inner Circle

Sometimes, the best tactic is to delegate. You can't do it all alone. You need a team, like in the Ocean's Eleven of the rings. And who better than her best friend, her sister, or her mother?

How to Execute the Mission

  1. Choose Your Accomplice: Select carefully. You need someone you can completely trust, someone who can keep a secret better than the Coca-Cola formula. The gossipy friend is out.

  2. Design the Plan: Ask your accomplice to organize a "girls' night out" that includes a casual stop at a jewelry store. The pretext can be anything: "Hey, let's look at bracelets" or "I want to see what's in style this season."

  3. The Moment of Truth: Once inside, your accomplice should guide the conversation. She can try on rings and encourage your girlfriend to do the same. "Wow, look how pretty! Try it on and see how it looks on you." While your girlfriend is trying on rings, your accomplice should pay attention to the size that fits her.

Red Alert! Your accomplice must be subtle. If it seems too obvious, your girlfriend, who has a sixth sense for these things, will get suspicious. It has to seem like a spontaneous idea, not a planned military operation.

The Printed Paper Method: Sniper Accuracy

This one is for the brave, those who enjoy taking risks. It involves using a printable ring sizer that you can easily find online. It's like taking a shot from the middle of a field: if it goes well, it's legendary. If it goes badly, the embarrassment is monumental.

How to Execute the Mission

  1. Download and Print: Search for "printable ring sizer" on Google. Download the file and, very importantly, print it at 100% scale. If you print it fitted to the page, the measurements will be incorrect.

  2. Get the Ring: Again, you need one of their rings from their ring finger.

  3. Compare and Measure: The printed sizer will have several circles of different sizes. Place the ring over them until you find the circle that perfectly matches the inner edge of the ring.

This method can be very accurate if done correctly, but the margin of error is higher. It's a good option if you don't have immediate access to a jeweler.

When All Else Fails: The Standard Size

Imagine you've exhausted all options. There are no rings to steal, and no accomplices available. You're in desperate mode. In this case, you can resort to the "standard size."

Most women in Spain wear ring sizes between 12 and 14 (Tatum system). Size 12 is a relatively safe bet for a woman with slender hands, and size 14 for slightly larger hands. It's a shot in the dark, like choosing an envelope on a TV game show, but sometimes there's no other option.

Remember that the ring is just the first gift. In Spanish tradition, the bride also usually gives an engagement gift to seal the commitment, generally a watch or special piece of jewelry.

The good news: The good news is that most engagement rings can be resized. A jeweler can easily enlarge or reduce a ring by one or two sizes. So, if you make a mistake, it's not the end of the world. Always ask about the resizing policy before buying. It's your best bet.

Frequently Asked Questions

The borrowed ring method is the most discreet and reliable. It involves taking a ring she regularly wears on her ring finger, taking it to a jeweler to have it resized, or making a tracing of the ring on paper and showing it to the jeweler. You can also discreetly ask her best friend, sister, or mother for help.
Most Spanish women wear sizes between 12 and 14 in the Tatum system. Size 12 is generally safe for slender hands, while size 14 is better for larger hands. However, it's best to confirm your girlfriend's size before buying, as everyone's hand size is different.
Yes, most engagement rings can be resized. A professional jeweler can easily increase or decrease a ring size by one or two sizes. Before buying, always ask about the resizing policy. This is your best option if you're not completely sure about the size.
Yes, conversion charts exist. The Tatum system (used in Spain) differs from the US and UK systems. A Tatum size 12 is approximately equivalent to a US size 6 and a UK size L. It's advisable to consult a full conversion chart if you're buying an international ring.
The most common mistakes are: measuring in the morning when the finger is colder and more contracted, confusing the finger where the ring goes (it should be the ring finger), not taking into account that a wide ring may need half a size larger than a thin one, making inaccurate tracings, and printing paper ring sizers without adjusting the scale to 100%. Remember to measure in the afternoon or evening when the finger is more swollen.

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Engagement ring mission: A guide for novice grooms | Wedded Blog