Our sales associate Cara frequently works with customers who are purchasing an engagement ring in secret and many of them ask her “how do I find out my girlfriend’s ring size without her knowing?”

This is how we find her size, but to keep it secret you’ll need to be more creative.
Check out 3 quick tips from Cara that will to help you figure out her ring size while keeping your big plans a surprise.
1. Grab one of her rings for a day. Bringing in a ring she already wears will help us get a measurement on the sizing her engagement ring should be. Try and choose a ring that she wears on her left ring finger to help get the most accurate size. Can’t get a ring she wears on her left ring finger? A right handed ring will help us gauge the measurement, but it still may be a little loose because if she is right handed her right ring finger will be bigger than the left. Unfortunately, only ring fingers will work – we can’t get a close measurement from the middle or pointer finger.
Remember: It’s better the ring be bigger in size, rather than smaller when you propose. This way, it will fit on her finger when she says “yes!” and sizing it down will be easier than sizing it up.
2. Sketch one of her rings. If you don’t feel comfortable borrowing one of her rings for the day you could try this method. Take one of her rings and place it on a piece of paper. Draw a circle on the inside and outside of ring. While this tip won’t give us an actual measurement, we should be able to estimate the diameter of her ring from this.
Fun Fact: The most common women’s ring size is 6 to 6.5
3. Ask one of her engaged or married friend’s for help. Most likely, an engaged or married friend will know what size their ring is. Ask the friend to have your girlfriend try the ring on for fun. She should be able to gauge if the ring was too big or small and then she can report back to you.
Even better, ask the friend to take your girlfriend to Samuelson’s Diamonds “for fun.” We can size her and even gain some insight into the style of ring she loves. If you give us a heads up that she is coming to see us we can even report right back to you with all the details and items numbers of the rings she liked.
Don’t forget: While these tips are helpful they will only allows us to get an idea of her ring size. Once you’ve popped the question you’ll most likely need to bring her into our store to have the ring sized to fit perfectly.
At Samuelson’s, we make sure buying the ring is the easy part of proposing. If you have any more questions let us know, we’d be happy to help. Feel free to email Cara – cara@baltimorediamonds.com. Good luck!