Granite prices and usually priced out in categories by most retailers. This is usually done in in groups from low to high. Generally speaking category A pricing is around $40 a sf installed for 3cm countertops. Category B cost around $45-50 a sf to install and so on.
Category A might include colors like:
- Uba Tuba
- Santa Cecilia
- Absolute Black
Most basic edges are included in this price, but more complex edges tend to cost more and add a few $$ per square foot. Under mount sink holes and cut outs also are additional cost, generally adding a few hundred dollars to the over all cost.
If you are looking to save money then you should consider looking for sales on closeout granite slabs and if the job is small enough you may be able to find a remnant.