2 flat-nose pliers and a pair of wire cutters
 of the channel of your choice
 3mm and/or 4mm rings (depending on link size)
 a lobster clasp or buoy
 extension chain or clasp attachment

The choker measures between 30 and 33cm
This is the smallest size. The collar is then as close to the neck as possible. In this case, it is essential to adjust it to the right size to avoid strangulation and fit an extension chain.

The choker measures between 35 and 41cm
This ultra-fashionable size sits perfectly above the collarbones. Ideal with rosary or more elaborate chains. An extension chain allows you to adjust the length to suit your neckline.

The princess necklace measures between 42 and 46cm
This is the most common size for a necklace with a small pendant. Your necklace will sit just below the collarbones. You can embellish the necklace with a small stone for a delicate, refined touch.

Themorning collar is between 50 and 60cm long.
Here, the necklace will sit above the chest for the short version and on the chest for the 60cm size. It's the perfect size to show off a more assertive pendant.

The Opéra necklace - Long necklace between 70 and 90cm
This size is ideal for showing off a larger pendant. Depending on the style of the jewel, the long necklace can be worn with a chic and sophisticated outfit, or casually with a bohemian summer dress...

To create a layering of necklaces: 
When you want to create an accumulation of necklaces, it's often difficult to know what lengths to take for each necklace.

Here are the most common sizes for a harmonious result.

- between 38cm and 40cm for the shortest collar.
- 50cm for the intermediate version.
- 75cm for the longest size.

With these sizes, you'll get a good proportion between the necklaces so you can embellish them with beads, pendants, natural stones...