Since 1992, Diplomat has been manufacturing top-of-the-class writing implements. Driven by excellence in quality and innovation, the company has taken its name uproariously into the new heights of pen industry. A new innovation in Diplomats array of products is their new 30 ml ink bottles. Formulated to offer finest writing experience, Diamine inks are perfect for fountain pen enthusiasts who love quality writing. These inks can be used with dip pens and converters. Choose from our range of colors and embark on a smooth writing journey with Diplomat inks.