Jewelry can be a great gift and a surprisingly difficult one to choose. The safest place to start is not with what you like, but with what the other person already wears.
Notice whether they normally choose smaller or more prominent pieces. Do they wear necklaces regularly? Are earrings part of their everyday look? Do they tend to repeat the same few pieces?
Those details are useful because they are based on real habits rather than guessing what someone might suddenly decide to wear.
If you are unsure, simpler designs are often easier to combine with an existing wardrobe. The goal is not necessarily to find the loudest piece in the room. It is to find something that feels believable on the person receiving it.