If you'd rather not spend much, your best bet is this Nashelle Necklace. It's a great item, while not very costly. In this price range, you can also consider this Ettika Necklace. It's also a popular item and won't break the bank. Or you can opt for this Nadri Necklace. This item has all the potential to become a powerful player in your wardrobe.
If you're not the one to skimp on clothes, take a look at this Lana Necklace - a great luxury choice. While you're at it, also have a look at this Poppy Finch Necklace. Yes, this item is expensive, but it does not mean it's not worth it. You might also want to take a look at this Gucci Necklace. You won't regret the money spent!