"Shabby chic" a relatively new phrase used to describe room designs is an obscure blend of neglect and style. It is one of the most difficult bathroom designs to create and it takes a bold decision to go for this bathroom style. It almost certainly achieves its full potential in a continental house either a French chateau or old Spanish villa.
Certain rooms only work in certain houses so if you're living in a modern high rise apartment the traditional bathroom isn't going to work for you. If you have an old cottage or villa retreat this style of bathroom is one you should definitely consider.
The price for bathroom basins will vary based on brand the type of product and the materials they are made from. Comparison shop to get a great overall deal. Don't cut corners though on the quality and end up with a product you have to replace again soon down the road. However don't pay a price beyond what you must in order to get something that is well made.