The deep and brooding Diamine Prussian Blue ink will truly set an example when it comes to writing, and leave people extremely impressed. This ink, and all other inks in this range come in two different sizes, 30ml and 80ml bottles, and there are more than 80 ink colours to choose from. The Diamine ink can be used in any fountain pen that takes a converter, or a dip pen.
  • Prussian Blue colour
  • 30ml
  • Plastic Bottle
  • Non-toxic water based ink
  • Screw cap ink bottle


Ink Colour Blue
Brand Diamine
Bottle Size 30ml
Ink Colour Prussian Blue

Diamine Ink Bottle (30ml) - Prussian Blue


Availability: In stock

Diamine 30ml bottle of high quality 'Prussian Blue' coloured ink, also available in 80ml bottles.

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Gift WrapGift Wrap

Gift Wrapping

For those that don't have the time, can't do it or simply want the luxury touch, we offer a professional gift wrapping service here at The Online Pen Company.

Our gift wrapping consists of beautiful two-sided wrapping paper with a burgundy exterior and a golden interior. Each item is then wrapped individually, and then tied with a golden bow. The wrapping is then finished with a personalised handwritten message card, which is attached to the corner of your item.

The process to have your item gift wrapped is nice and simple

  • 1. Choose your pen
  • 2. Use the drop down menu on the product page to add gift wrapping to your item, and then use the next menu that appears to add a personalised message.
  • 3. Add the product to the basket, and continue shopping.

For more information, please see our gift wrap page

Gift wrap example

We offer a personalised gift wrapping service. Click here for more info