Switch up your ink game with Diamine Ink Cartridges in the rich and vibrant Imperial Blue. Stand out in a sea of black and make a statement with this unique shade. Compatible with all international-sized fountain pens. Add a touch of class to your writing.

These cartridges fit most fountain pens, if you're not sure if please refer to your owners manual or give us a call and we can get you the right cartridge for you pen.

18 Cartridges per box.

Diamine inks have been manufactured in England since 1864.