Add a touch of elegance and sophistication to your writing with Diamine Sapphire Blue ink cartridges. The rich blue color will make your words stand out on the page, while the international size ensures compatibility with a variety of fountain pens. Elevate your writing experience with this stunning shade of blue.

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.