Diamine Fountain Pen Ink Cartridges - Pack of 18

By Diamine
£4.89 £5.50
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03 Feb. Estimated arrival
31 Jan. Order placed
01-02 Feb. Order dispatches
03 Feb. Delivered!
🚚 Order within the next 2 hours, 15 minutes for delivery by 03 Feb, 2026.
Description

Simple, dependable, and quietly brilliant, these Diamine Fountain Pen Ink Cartridges - Pack of 18 are the sort of thing you pop into your pen and promptly forget about—in the best possible way.

Each box contains 18 European Standard cartridges filled with Diamine’s famously gentle, water-based ink, suitable for everyday notes, thoughtful letters, and cherished vintage fountain pens that prefer a lighter touch. 

Made in the UK since 1864, Diamine inks don’t shout for attention; they simply get on with the job and do it very well indeed.

What Makes It Work So Well

  • Universally compatible: Standard international cartridges fit almost all cartridge/converter fountain pens, so you never need to worry about brand loyalty.

  • Kind to pens (even old ones): Always water-based, non-toxic, acid-free, and vegan-friendly, the formula is safe for modern and vintage fountain pens alike.

  • Reliable colour, every time: Each box contains 18 cartridges in a single, popular Diamine colour, delivering consistent flow and dependable performance.

Details 

  • Type: Ink Cartridge
  • Pack: 18 pcs
  • Item Weight: 45g
  • Material: Water-based

Simple, dependable, and quietly brilliant, these Diamine Fountain Pen Ink Cartridges - Pack of 18 are the sort of thing you pop into your pen and promptly forget about—in the best possible way.

Each box contains 18 European Standard cartridges filled with Diamine’s famously gentle, water-based ink, suitable for everyday notes, thoughtful letters, and cherished vintage fountain pens that prefer a lighter touch. 

Made in the UK since 1864, Diamine inks don’t shout for attention; they simply get on with the job and do it very well indeed.

What Makes It Work So Well

  • Universally compatible: Standard international cartridges fit almost all cartridge/converter fountain pens, so you never need to worry about brand loyalty.

  • Kind to pens (even old ones): Always water-based, non-toxic, acid-free, and vegan-friendly, the formula is safe for modern and vintage fountain pens alike.

  • Reliable colour, every time: Each box contains 18 cartridges in a single, popular Diamine colour, delivering consistent flow and dependable performance.

Details 

  • Type: Ink Cartridge
  • Pack: 18 pcs
  • Item Weight: 45g
  • Material: Water-based
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Delivery & Returns

 

Orders £35+ UK Royal Mail delivery within 5 days, Monday to Friday. Free on orders over £35.  FREE
Tracked Delivery 48

Royal Mail 48, tracked. Delivery within 48 hours, Monday to Friday. Tracking number provided.

£3.99
Tracked Delivery 24

Royal Mail 24, tracked. Delivery within 24 hours, Monday to Friday. Tracking number provided.

£4.99
Next Day Delivery Delivery on the following working day on orders purchased before 12:00pm, 5 days a week. You'll receive a tracking number with updates about the progress of your order. Signature required.

£7.99

International Delivery

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