Most Halloween jewellery is bought on 28 October, worn once, and thrown out in January. Plastic spiders, orange resin pumpkins, a skull ring that turns your finger green by midnight. It works for one evening, and then it is landfill.

There is a better version of the same idea. Halloween has a very specific palette, and it happens to be a palette that real jewellery already lives in: black, gunmetal grey, deep red, and the cold white of a pearl. Build the look out of pieces you actually like, and on 1 November you are wearing jewellery instead of throwing out props.

The Halloween palette, in real materials

Four materials do almost all the work, and none of them are costume pieces.

• Black onyx. Matte to glossy black, opaque, and heavy enough to read as deliberate rather than decorative.
• Hematite. Polished iron ore in mirror gunmetal. It catches candlelight the way nothing else in a jewellery box does.
• Deep red. Coral, red thread, red crystal. Used sparingly it does everything a Halloween outfit needs one colour to do.
• Pearl. The unexpected one. Against black, a baroque pearl stops looking polite and starts looking slightly gothic.

Five looks that survive November

1. The modern witch

Skip the hat. The whole look can rest on one celestial detail and a lot of black clothing. The full moon and new moon silver earrings are the piece that carries it, because mismatched moon phases read as intentional rather than themed. Add a dark stone on the wrist, keep everything else bare, and let the earrings be the only thing happening above the shoulders.

Worn on 3 November with a grey jumper, the same earrings are just good earrings.

2. The vampire, done quietly

The snake is the oldest shorthand for danger in jewellery, and it does more work than fangs ever will. The vintage hematite snake necklace sits flat against the collarbone in dark gunmetal, and under low light it looks closer to armour than to a costume.

Pair it with a high collar and one red element somewhere else in the outfit. That is the entire look. No blood, no plastic teeth.

3. Gothic pearls

This is the one people underestimate. Pearls read as formal and slightly severe, and severity is exactly what a Halloween look usually lacks. Layer the exclusive baroque pearl necklace over black, and the irregular shapes do something a round strand never could: they look old, and a little wrong, in the best way.

For a darker version of the same idea, the black necklace with a pearl detail inverts it, putting one pale point against a dark line.

4. One drop of red

Against an all-black outfit, a single red element does more than an entire themed set. The red coral earrings give it at ear height, and our red string with a silver heart gives it at the wrist, where it stays useful long after the season. The red string also happens to carry a protection tradition of its own, which is either a nice coincidence on 31 October or the whole point, depending on how you like to read these things.

5. For men, who usually get nothing

Halloween jewellery for men is normally a skull pendant on a chain, and it always looks rented. Two pieces do the job better. The black onyx stone bracelet is solid black stone with no theme attached to it at all, and the unisex black string with a hematite stone is quieter still. Stack both, wear black, and stop there.

The one rule worth following

Pick one loud piece and let everything else be plain. Halloween is already a maximalist evening, and a costume plus three statement necklaces reads as chaos rather than as a look. If the moon earrings are the story, the wrist stays bare. If the snake necklace is the story, the ears stay empty.

Practical things nobody mentions

• Low light eats detail. Polished hematite and onyx catch what light there is. Matte finishes and fine chains disappear completely in a dim room.
• Photos are the whole point for a lot of people. Reflective stone photographs well against black fabric; small pale stones just vanish.
• Costumes are hard on jewellery. Wigs catch on earrings, capes catch on clasps, and face paint stains thread. Put jewellery on last, and take it off before the makeup comes off.
• Thread and alcohol do not mix. Red and black string bracelets survive a party fine, but a spilled drink and a long night will shorten their life.
• Check the clasp before you leave. Obvious, and still the reason most lost necklaces get lost.

What happens on 1 November

This is the actual test of a Halloween jewellery purchase, and it is worth applying before you buy anything at all: would you wear this on an ordinary Tuesday in February? Onyx, hematite, baroque pearls and a red string all pass. A pumpkin brooch does not.

Everything above is made by hand in Lithuania in short runs, so none of it was designed for a season. It just happens to sit in the right palette. If you want to browse the darker end of it, the whole GG UNIQUE range is the place to start.

The short version

Build a Halloween look from black onyx, hematite, one drop of red and an unexpected pearl. Choose one loud piece and keep the rest plain. Buy nothing you would not wear in February, and the costume ends but the jewellery does not.