Three levels of granite exist: Level 1, Level 2, and Level 3+. Level 1 is “low-grade” granite, while Level 3+ is “high-grade”. A dealer looks at several identifiers when assigning a granite grade to a slab of granite.

Three levels of granite exist: Level 1, Level 2, and Level 3+. Level 1 is “low-grade” granite, while Level 3+ is “high-grade”. A dealer looks at several identifiers when assigning a granite grade to a slab of granite.