Choosing the right ring size can be a little tricky; whether it's for yourself, a partner or a friend. To make things easy, just follow our tips on how to pick the perfect size.

MEASURE YOUR FINGER

Cut a piece of string/paper so it's long enough to wrap around your finger.

1. Wrap string snugly at the base of the knuckle
2. Using a pen or pencil, mark where the ends overlap
3. Lay it flat and use a ruler to measure the length in millimetres
4. Use the chart below to find the corresponding ring size

USA & UK	Inside diameter & Circumference mm
4 - H	14.9 & 47mm
4.5 - I	15.3 & 48 mm
5 - J 1/2	15.7 & 49 mm
5.5 - K1/2	16.1 & 50 mm
6 - L 1/2	16.5 & 52 mm
6.5 - M 1/2	16.9 & 53 mm
7 - N 1/2	17.3 & 54 mm
7.5	17.7 & 55.7  mm
8 - P 1/2	18 & 57 mm
8.5 - Q 1/2	18.5 & 58 mm