Basically, the more rare a style of granite is, and the more “desirable” it's deemed to be, the higher its price. Since granite is a natural stone product, there are great variances in the color, veining, and pattern of the stone. ... Expensive granite prices can go over $100 per square-foot just for material alone.
Is granite worth the cost?
Either installing from the building process or replacing the old laminate countertops, the investment you are making by upgrading to granite countertops is a no-brainer. The monetary investment will be worth it in the long run not only for the elegance and appeal, but it will add anywhere from 20%-30% of the cost.
Is marble or granite more expensive?
Granite is less expensive than marble, starting at roughly $75/square foot installed and $100 more than that for higher-end stone. Installed marble countertops start at around $100/square foot and can go over $200.