If you're looking for a thrifty option, your best bet is this Alcozer & J Pendant. It's a fantastic piece, while not very costly. Another strong contender for your wardrobe is this Maison Margiela Pendant. While the price of this product is not too high, it will certainly attract a lot of attention. You may also want to look at this Montblanc Bracelet. This item is not expensive either, but it will make a difference in your wardrobe.
If you're a bargain hunter, why not opt for this Vita Fede Pendant. While the price is very reasonable, this piece is an easy wardrobe update. It's also worth considering this Iosselliani Bracelet. This item is extremely popular and, just as importantly, not very expensive. And do check out this Valentino Bracelet! It's a very popular item and good value for money.