It is disease-resistant with high yield per acre. Nonetheless, only about 10 tons of Kona are produced each year resulting in its high price. If you are looking for a comparable coffee at a lower price, try a Guatemala Antigua which is also grown on volcanic soil. Electronic color-sensitive machines sort coffee beans to obtain a high quality coffee. These machines differentiate between lighter and darker beans.
Standards vary by company and by country however.
The bite of coffee's flavor is provided by the tannin , or tannic acid , in the bean. The largest of all coffee beans comes from the Maragopipe region of Nicaragua. This bean produces a full-bodied cup of coffee. As with other Indonesian coffees, varieties from New Guinea are full-bodied and sweet. But they also possess a pleasing acidity more common to the Central American coffees.