For a while I thought necklace layering was one of those things that only worked on other people — the ones with effortlessly undone hair and a stylist somewhere just out of frame. Then I actually tried it with pieces I already owned, and it turned out the trick isn’t buying more jewelry. It’s picking three chains that don’t fight each other.

Start with lengths, not styles

The easiest way to make a stack look intentional instead of accidental is to give each necklace its own length — something in the 14 to 16 inch range sitting at the collarbone, 18 inches for the piece just below it, and 20 to 22 inches for whatever sits lowest. If two chains land at the same length, they’ll tangle by the end of the day and you’ll stop wearing the stack within a week.

Mix textures, keep the metal consistent

This is where most people go wrong first: they mix gold and silver and wonder why nothing feels cohesive. Keep the metal the same — all gold, all the time — and do your mixing with texture instead. A fine cable chain, a flat paperclip link, a pendant with a bit of weight to it. That contrast is what makes a stack read as put together rather than cluttered.

Let one piece do the talking

A stack needs a focal point, and it’s usually the shortest or the lowest piece — pick one and let the others support it instead of competing with it. If your pendant has a stone or an engraving, keep the other two chains plain. If all three are plain chains, vary the link size so your eye still has somewhere to land.

You don’t have to take it off every night

Solid gold holds up fine to a pillow, so there’s no real need to unclasp a whole stack before bed. The pieces worth taking off are the ones with delicate clasps or gemstone settings that can catch on fabric. Everything else can just stay on until you actually feel like changing it up — which, once you get the lengths right, might be less often than you’d think.