The Diamond Bar International Deli is open for lunch--this spot offers strictly sandwiches and salads. It is very well known for its catering platters featuring its regular sandwiches and Panini style sandwiches. Some of the sandwiches on its menu: Roast Beef, Corned Beef, Salami, Smoked Turkey, Club and Vegetarian Special. They can be served hot or cold. Catering orders need to be placed at least two days in advance. Diamond Bar is located between Discovery Travel and Mathnasium Tutoring Agency inside the large commercial center at S. Brea Canyon and Pathfinder Blvd.