If you're looking for a happy medium, why not check out these Stuart Weitzman Pumps. While the price is very reasonable, this item is an easy wardrobe update. It's also worth taking a look at these J.Crew Pumps. This item is extremely popular and, just as importantly, not very expensive.
If you want to treat yourself, then what you're looking for is these Gucci Pumps. It's more expensive but worth your money. While you're at it, also have a look at these Marni Pumps. Yes, this item is expensive, but it does not mean it's not worth it.