rings
If you already have a ring in your size, measure its internal diameter and refer to the following table to determine its size.
If you don't have a ring in your size, simply measure the diameter of your finger with a tape measure and refer to the same table to determine your size.
bracelets
If the bracelet is a bangle, without a clasp, you need to measure the width of your palm with a tape measure where it is widest. You can then refer to the following table for the recommended bracelet diameter.
If the bracelet is flexible and has a clasp, measure the circumference of your wrist and add between 1 and 2cm to the measurement obtained to determine the length of jewellery that will suit you best.
necklaces
A style for every length:
chokers: 36 to 42cm
classic: 42 to 50cm
long: 50 to 60cm
sautoir: from 60 cm