The cost of Carrara marble slab can vary depending on several factors, including the quality, grade, size, thickness, and any specific features or finishes. Carrara marble is available in different grades. If the slab shows a very white background color and a few natural imperfections like yellow marks , the higher the cost is going to be. roughly it can range from $20 to $60 or more per square foot or from Euro 190 to 450 x square meter. In the end it will all depend on you buget, if low you should go for Carrara CD grade if high go for a Carrara C grade.