Buying a ring as a surprise? You do not have to ask — and risk giving it away. Here are the easiest, most reliable ways to find her ring size, plus exactly how MYNSU sizing works so you can order with confidence.
How do I find someone's ring size without asking?
The simplest way is to borrow a ring she already wears on the right finger and match it to a ring-size chart, or hand it to any jeweler for a free reading. If you cannot borrow one, a forgiving gift like a pendant or studs avoids the guesswork entirely.
The easiest ways to measure at home
- Borrow a ring she wears. Pick one from the correct finger — fingers differ — and compare it against a printed ring sizer to read the size.
- Take it to a jeweler. Any jewelry counter will size a borrowed ring in seconds, for free, with no purchase.
- Use a free printable ring sizer. Download one, print it at 100% scale, and slide her ring over the circles until one fits the inside.
- Ask a close friend or family member. If secrecy matters, someone who shops with her often may already know.
What ring sizes does MYNSU offer?
Each MYNSU ring comes in two sizes — US 7 and US 8 — at the same price, so size never changes what you pay. US 7 and US 8 are the most-requested everyday sizes, which is why we stock them as fixed sizes rather than adjustable bands. Pick the size closest to her measurement.
US 7 or US 8 — which should I pick?
If she is between sizes or you are unsure, US 8 is the safer choice: a ring that is slightly loose can still be worn, while one that will not pass the knuckle cannot. Average women's ring sizes are commonly cited as around 6 to 7, so US 7 suits many hands and US 8 gives a little more room.
- Choose US 7 for a snugger, true-to-average fit on slimmer fingers.
- Choose US 8 if she has a larger knuckle, wears rings loosely, or you are genuinely unsure.
What if it's a surprise and I can't measure?
When you truly cannot get a measurement, give a piece that does not depend on size. A pendant necklace or a pair of stud earrings fits everyone, lands the surprise, and still feels like real jewelry — then she can choose her own ring size later.
How should a ring actually fit?
A well-fitting ring slides on with light effort and needs a gentle tug to come off over the knuckle. It should feel secure without pinching. Fingers swell in heat and shrink in cold, so aim for comfortable in the morning rather than tight, and remember our rings come in two fixed sizes to match.
Ready to choose? Browse moissanite rings in 925 sterling silver — try the Banbi 1ct solitaire, Vow 1ct solitaire, or Classic 6-prong solitaire, each in US 7 and US 8. Free US shipping, 30-day returns, shipped from Irvine, California.