Diamine Solstice is a black shimmering fountain pen ink, from Diamines 2019 Blue Edition Advent Calendar, which featured 25 brand new colours. Solstice is a wet-flowing black ink, which brings life to a page via its beautiful green shimmer. It comes beautifully presented in a uniquely shaped 50ml glass bottle.

Established in England in 1864, Diamine is one of the world’s premier ink manufacturers. Since its inception, the company has continued to use the most traditional methods to ensure one of the highest of quality inks on the market. Given the quality of the ink, it is suitable for use in all brands of pen, both modern and vintage.

Given the quality of the ink, it is suitable for use in all brands of pen, both modern and vintage. Notable individuals to have used Diamine ink include presidents Obama and Medvedev when signing 2010’s nuclear arms treaty. With dozens of colours in its range, Diamine inks are water-based, acid-free and non-toxic.