Diamine
Diamine is a British ink manufacturer, founded in 1864. They make inks with memorably fanciful names.
In my very limited experience, their inks are more vivid than Jacques Herbin's, with less shading, and more bleedthrough. They look great, but require chunky paper, at roughly 100 g/m2.
British companies: Diamine | Sinclair | Warp Records
Stationery manufacturers: Diamine | Jacques Herbin
Diamine: Ancient Copper | Oxblood
