If you're looking for an item in the middle of the price range, look at these 3.1 Phillip Lim Pumps. While the price is very reasonable, this piece is an easy wardrobe update.
If you're looking to purchase a designer item, then what you're looking for is these 3.1 Phillip Lim Pumps. It's more expensive but worth your money. While you're at it, also have a look at these 3.1 Phillip Lim Pumps. Yes, this item is expensive, but it does not mean it's not worth it.