You’ve decided to propose, chosen the perfect ring, and now there’s just one detail left—figuring out her ring size without ruining the surprise. A well-fitting ring ensures a seamless, unforgettable proposal, but how do you get it right without her knowing?

At Morgan & Co, we understand that every detail matters. Here’s how to discreetly discover her ring size so the moment is as flawless as the design itself.

1. Borrow a Ring She Already Owns

One of the easiest ways to find her ring size is by secretly borrowing a ring she already wears. Look for one worn on her ring finger (left hand), but if that’s not possible, a ring from her right hand can still provide a close estimate.

Tips for success:

• Choose a ring she wears on her middle or ring finger—these will be the closest in size.

• Take it to a jeweller for sizing or use a ring sizer at home.

• Be discreet—make sure she won’t notice it’s missing!

2. Enlist a Friend or Family Member

If she has a close friend or sibling, they may already know her ring size. If not, they can find out without suspicion—perhaps by trying on rings together while shopping or bringing it up in conversation.

A well-placed compliment like, “Your rings always fit perfectly—what size do you wear?” can go a long way.

3. Get Creative with a Ring She Wears

If borrowing isn’t an option, you can still measure a ring she owns in a discreet way:

• Trace the ring – Place it on a piece of paper and trace the inside and outside edges. A jeweller can use this to estimate the size.

• Press it into a bar of soap – This can create an imprint of the ring’s size.

• Slide it onto your own finger – Mark where it fits and have a jeweller measure that spot.

4. Measure While She Sleeps

If your partner's a sound sleeper, you could carefully loop some string or dental floss around her finger, marking the spot. You can then measure it against a ring size chart or reach out to our team at Morgan & Co. We also offer complimentary zip-lock ring sizers you can pick up from our store – they're super handy! Just a heads-up, this method requires a delicate touch and a bit of patience!

5. Use a Sneaky Online Game

If she enjoys online quizzes or fashion trends, you can casually introduce a fun “ring size finder” quiz as part of a lighthearted conversation. She may reveal her size without thinking twice.

6. When in Doubt, Go Slightly Larger

If you can’t get an exact size, it’s always safer to size up rather than down. A ring that’s too tight may not fit at all, while a slightly larger one can be resized after the proposal.

Final Thoughts

Finding the perfect ring size without asking is all about creativity, patience, and attention to detail. Whether you borrow a ring, get help from a friend, or use a clever trick, the effort will be worth it when you see the look on her face.

Ready to take the next step? At Morgan & Co, we design engagement rings that fit seamlessly into your love story. Let us help you create the perfect piece—crafted with precision, designed for forever.