At $100 a cup or $1,029 per pound, the most expensive coffee in the world is the Elida Geisha Natural 1029. There are only 1,600 cups of it in the entire world. The Panamanian-grown brew is said to represent a fourth wave of very expensive specialty coffee. We tasted the beverage and compared it to two other well-respected coffees, to determine whether Elida Geisha Natural 1029 is worth the money.