if you're in a thrifty mood, this Marc Jacobs Pendant will fit the bill. It's a great choice, while not very pricey. Another strong contender for your wardrobe is this Marc Jacobs Pendant. While the price of this product is not too high, it will surely attract a lot of attention.
If you're looking for something in between pricewise, we've got your back with this Marc Jacobs Brooch. This piece is bound to become a total wardrobe staple. Why not also take a look at this Marc Jacobs Necklace. It's an attractive option both price and quality-wise.