What are the different grades of granit?

Answer 1

Importers use grade A, B, and C, then there are "orphan" slabs, left over then thown into a bundle that doesn't match. Lot's of fabricators make money buying B grade and charging the same as the A grade shops. Look around The "grade" of granite has to do with supply, demand and sometimes the actual quality of the stone itself. The price of a granite slab (if we are talking about granite grades for granite countertops) has to do with the cost of digging it out of the ground, cutting and polishing the face, bringing it into the country and paying all the necessary middlemen. After that some fabricators will charge more to work with granites which are prone to falling apart or tough to color match at the seams. Usually the largest factor in the price of a slab of granite is how dramatic its color and movement are. The slab that most people gravitate towards first in the showroom will probably have the highest price. Suppliers realize this when they set the initial price before the material even gets to the USA (if that is where you are located). When a stone is has a lot of fissures and or cracks, usually a fiberglass mat is applied to the back and then sealed to the stone with an epoxy or filler resin. This is common with many exotic 3cm and especially 2cm slabs. The grade is usually set by the fabricator, but in each case these are the factors which contribute to that grade.