If you're looking for a thrifty option, this Ring will fit the bill. It's a popular choice, while not very expensive. You might also be interested in these Gorjana Earrings. It's an item you're bound to love which also doesn't cost a fortune. You may also want to look at this Necklace. This item is not expensive either, but it will make a difference in your wardrobe.
If you can afford to spend a little more, take a look at this Mariposa Necklace. While the price is very reasonable, this product is an easy wardrobe update.
If you can afford it, then you absolutely must check out this Necklace. This item seems costly, but it's top quality.