Granite is categorized in Groups. 1, 2, 3, 4, and 5 with (5) five being the most expensive of the material groups. The Quality and durability are mostly equal in all groups, However, a few of the upper-grade pricer stones can be a little fragile. Basically, what makes a group 5 more expensive then a group 1 is the rarity of the color. Below is a wide selection the most widely used popular colors. These represent colors from all groups. There are many, many more colors which are not shown. Photo's may differ from actual slab apperance.