If you're budget-restricted, this J.Crew Necklace will fit the bill. It's a great choice, while not very pricey. In this price range, you can also look at this J.Crew Pendant. It's a product you'll fall in love with which also doesn't cost a fortune.
If you're a bargain shopper, you're in luck with this J.Crew Ring in stock and waiting for you. You most certainly will fall in love with this product.