COFFEE GRADING

How is specialty coffee graded differently?

Quick answer

Specialty coffee is graded through a rigorous, two-part process: a physical inspection for defects and a sensory evaluation via cupping. Unlike commercial coffee, which may focus only on bean size or origin, specialty standards require zero primary defects and a minimum cup score of 80 points on the SCA 100-point scale to ensure superior quality and flavor consistency.

The real story

Grading specialty coffee is a far more demanding process than the classification used for commercial-grade beans. While commercial coffee might be graded primarily on physical attributes like bean size or the number of defects per bag, specialty coffee requires a holistic assessment that bridges the gap between physical appearance and sensory experience. This dual-layered approach ensures that the coffee is not only visually clean but also possesses the distinct, high-quality flavor profile that consumers expect.

The physical grading phase is the first hurdle. A 350-gram sample of green coffee is meticulously inspected to identify and count defects. Specialty standards are incredibly strict: they allow for zero primary defects—such as black beans, sour beans, or insect-damaged beans—and only a very small allowance for secondary defects. This level of sorting is often achieved through a combination of mechanical color sorters and intensive hand-picking at the mill.

Once the coffee passes the physical inspection, it moves to the sensory evaluation, or 'cupping.' This is where the coffee is roasted, ground, and brewed under controlled conditions to be scored by a certified Q Grader. Using the SCA’s 100-point scale, the grader evaluates the coffee across ten categories, including fragrance, flavor, acidity, and body. To earn the 'specialty' designation, the coffee must score at least 80 points. This score is a reflection of the coffee's 'clean cup' and its ability to showcase the unique characteristics of its origin.

This rigorous grading is what separates specialty coffee from the commodity market. It provides a level of traceability and quality assurance that allows roasters to pay higher prices to farmers, knowing the product they are receiving is of the highest caliber. For the reader, this means that when you purchase specialty coffee, you are drinking a product that has been vetted at every stage of the supply chain, ensuring that the final cup is as vibrant and delicious as the producer intended.

Sources we lean on
  • · https://sca.coffee/sca-news/25/issue-24-grounding-green-grading-2btb6
  • · https://coffeegreenbeans.com/blogs/forest-blog/what-is-specialty-coffee-the-complete-guide
  • · https://royalcoffee.com/blogs/blog/scoring-specialty-coffee-what-do-the-numbers-mean
  • · https://greencoffeecollective.com/blogs/learn/green-coffee-grading-explained