You shouldn't just examine the websites of the providers but you also need to read up on granite and all info you may find on the material and installing it in kitchens. This gives you a reasonable idea about the quality of granite worktops and how to pick the best ones to your kitchen.
Read up on granite worktops
Stone worktops are basically made from slabs of granite. According to the specifications you say, the granite is cut. You should read up info about granite and its own nature. You need to learn about caring for the worktop. There are lots of food and organic substances that could affect the surface of the worktop. If you're conscious about the nature of granite worktops, you may know better about caring for them. This qualifies you for choosing good worktops since you know about them.
Find a Fantastic supplier
You have to make your purchase from a fantastic supplier. Granite worktops come in various qualities, designs, and motifs. You have to find a good supplier who will provide you what you need at a fair price. You should also be able to avail information from the provider about the worktops in order to be certain the idea you have for your kitchen really suits it.
Value for money
As stated above a fantastic provider will pass on the cost benefit to the client. However, this doesn't imply that you're getting value for the money. Along with cost-benefit, you need to have access to an extensive group of granite worktops and should also avail notions from the provider. All this determines the value for the money.