The first Gregory's Coffee opened in 2006 on Manhattan's Park Avenue. Several factors are behind the spike in coffee prices, including droughts in Brazil and volatile weather in other regions where the bean is cultivated. "Prices are going to have to go up"Jake Leonti, director of coffee at Gregory's Coffee, said it's also far pricier to grow and produce coffee in the U.S."It's exponentially [more] expensive because it's Americans farming," he said. Like other retailers, Gregory's prices vary depending on where a store is located, reflecting regional labor and other costs. At Gregory's Coffee, "The last thing we want to do is just keep raising prices on our guests," Zamfotis said.