If you're a thrifty shopper, this J.Crew Necklace will fit the bill. It's a fail-safe choice, while not very pricey. In this price range, you can also take a look at this J.Crew Pendant. It's also a popular item and won't break the bank.
If you're looking for a good deal, we recommend opting for this J.Crew Ring. While the price is very reasonable, this product is an easy wardrobe update.