Engagement Rings Education Hub
16 January, 2026
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How to Find the Perfect Fit (Without Ruining the Surprise)
Getting the right ring size is one of the most important—and often overlooked—parts of the engagement ring process. Whether you’re planning a surprise proposal or shopping together, the goal is the same:
a comfortable, secure fit that’s perfect from the moment it slips on.
Most rings can be resized easily, but this guide will help you get as close as possible, with tips for stealth sizing, international conversions, and professional adjustments.
Planning a surprise proposal? Here are discreet ways to uncover her ring size:
If you’re choosing the ring as a couple:
In Ireland and the UK, engagement ring sizes are measured using the alphabetic system (A–Z). Below is a guide comparing UK/IE sizes with European (mm) and US ring sizes, as well as helpful notes on fit.
| UK/IE Size | EU Size (Approx.) | US Size | Fit Notes |
|---|---|---|---|
| F | 44.5 | 3 | Very petite – common in pinky rings |
| G | 45.5 | 3.5 | Petite – smaller hands or pinky rings |
| H | 46.5 | 4 | Slim fingers – smaller-framed wearers |
| I | 47.5 | 4.5 | Still petite but more common |
| J | 48.5 | 5 | Starting point for small engagement rings |
| K | 50 | 5.5 | Popular petite size |
| L | 51.5 | 6 | Common for smaller-to-average hands |
| M | 52.5 | 6.5 | Most popular women’s ring size |
| N | 54 | 7 | Average-to-fuller fingers |
| O | 55 | 7.5 | Also common, especially with wider bands |
| P | 56.5 | 8 | Slightly broader fingers |
| Q | 57.5 | 8.5 | Larger hands or comfort-fit styles |
| R | 59 | 9 | Great for wider knuckles |
| S | 60.25 | 9.5 | On request |
| T+ | 61.5 | 10 | On request |
💡 M is the most commonly worn size among women in Ireland, with L and N close behind.
💡 We offer free in-store ring sizing and post-proposal resizing services—so there’s no pressure to get it perfect first time.
Q: What if I guess the wrong size?
No problem! We’ll adjust it after the proposal—resizing is a quick and straightforward process in most cases.
Q: Can you size a ring before it’s set?
Yes—when buying from us, we can size the mount before the diamond is set for a seamless fit.
Q: Can you resize lab-grown or vintage rings?
Yes—though some vintage bands may need extra care. We’ll advise during your consultation.
Finding the perfect ring size doesn’t have to be difficult. Whether you’re going for a surprise or choosing together, there are plenty of ways to get it right—or close enough to resize comfortably.
💍 Because the best engagement ring is one that fits the finger, the moment, and the story behind it.
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16 January, 2026
16 January, 2026
16 January, 2026