How to Find Her Ring Size Without Spoiling the Surprise: Gift Without the Guesswork
- Aarefa | Earth Angel HQ
- Aug 13
- 3 min read

You’ve found it. The perfect ring. A magical piece of jewellery that captures her spirit, tells a story, and symbolises everything she means to you. You can already imagine the look of pure joy on her face as she opens the box.
But then, a single thought sends a wave of panic through you: What if it doesn’t fit?
This is the secret fear of every thoughtful gift-giver, the one detail that can feel like an impossible puzzle. But fear not. At Bloomtine, we believe the act of gifting should be pure magic, without any of the guesswork. Consider us your secret-keeping ally.
Here is our guide to finding her ring size and ensuring that perfect moment is, well, perfect.
Your Mission: The Secret Agent's Method to Find Her Ring Size
To keep the surprise intact, you’ll need to do some gentle detective work. Choose the mission that suits you best.
Mission 1: The Ring Swap
This is the most reliable method. When she’s not looking, "borrow" a ring that you know she wears on the correct finger (or one of a similar size). Be sure to note which finger she wears it on! Trace the inside circle of the ring onto a piece of paper, or press it into a bar of soap to create an impression. You can then measure the diameter. Even better, bring the ring or the tracing to a jeweller (or use our printable sizer) to determine the exact size.
Mission 2: The String Theory (While She Sleeps)
This requires a steady hand and a deep sleeper. Gently take a piece of string or dental floss and wrap it snugly around the base of her ring finger. Mark where the string overlaps with a pen. Then, simply straighten the string and measure it against a ruler in millimetres. You can then use an online conversion chart to find the corresponding ring size.
Mission 3: Enlist an Accomplice
One of her best friends, her sister, or her mother is your greatest asset. They can casually bring up the topic of jewellery, go "window shopping" together, or even playfully try on rings. A trusted friend can ask her ring size directly without raising any suspicion. Just be sure to choose an accomplice who can keep a secret!
For the Non-Surprise: The Bloomtine Ring Sizer
If you’re shopping together or she’s in on the secret, our printable Bloomtine Ring Sizer is your best friend. It’s a simple, accurate tool you can use at home to find her perfect size in moments. Just print, follow the instructions, and shop with absolute confidence.
[Download Your Printable (A4) Bloomtine Ring Sizer Here 👇]
A Final Whisper of Wisdom
Time of Day: Fingers can swell slightly throughout the day, especially in warmer weather. It's often best to measure in the evening for the most accurate size.
Wider Bands: If you are choosing a ring with a thicker, wider band, it's often a good idea to go up half a size for a more comfortable fit.
Don't Panic: At Bloomtine, we want you to be happy. If you do happen to get the size wrong, reach out to our customer care team, and we will always do our best to help you find a solution.
You are now equipped with the knowledge to give the most magical gift. The moment she slides that perfect ring onto her finger, a perfect fit in every way, will be a memory you both cherish forever.
Ready to find her new favourite treasure? Shop our magical collection of rings with confidence:
🛍 Where to Shop Bloomtine's Magical Rings
✨ In-Person Retail
Wolf & Badger - SOHO London - 102 Berwick St, London W1F 0QB, United Kingdom
Atlas - San Diego (USA) - Westfield UTC, 4545 La Jolla Village Dr Ste E-25, San Diego, CA 92122, United States
Atlas - Los Angeles (USA) - Westfield Century City, 10250 Santa Monica Blvd, Los Angeles, CA 90067, United States
💻 Shop Online (Shipping Worldwide)
Explore the full collection anytime at www.bloomtine.com
You can also find us stocked online at Wolf & Badger, Oxygen Lifestyle, Rackhams, and Immaculate Vegan
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Love,
Bloomtine | Earth Angel HQ