Quick answer: Measure the inner circumference of an existing ring or wrap string snugly around the base of the finger at the end of the day, then check it against a ring-size chart. Sizing systems vary by country, and most rings can be resized afterward if the estimate is slightly off.
Wrap a strip of paper or string snugly around the base of the finger, mark where it overlaps, and measure that length against a ring-size chart. It's not lab-precise, but it's accurate enough to narrow down to one or two sizes before a professional fitting confirms it.
Borrow a ring they already wear on the correct finger and trace its inner diameter, or measure the inner circumference with string. Many jewellers, including Audrey's, can also resize a ring after the fact if the estimate is off by a size.
Yes. The US, UK, and much of Asia (including Hong Kong) use different sizing systems for the same physical finger measurement — a US size 6 isn't the same number as a UK or Hong Kong size for the same finger. Always confirm which system a size is quoted in before ordering internationally.
Yes, by a noticeable amount. Fingers are typically smaller in the morning and in cold weather, and larger in the evening, in heat, or after exercise. For the most reliable measurement, size your finger at the end of the day, at normal room temperature.
Most rings can be resized up or down within a limited range without compromising the setting, though the exact range depends on the ring's design and the stones set into it. Eternity bands and some intricate settings resize less easily than a simple solitaire. Ask before you buy if resizing matters to you.
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