Diamine Fountain Pen Ink 80ml - Sapphire Blue

Sapphire Blue is a vibrant, rich shade that captures the brilliance of a polished gemstone, offering excellent flow and smooth performance in virtually any fountain pen. Its medium-saturated blue tone provides a striking yet professional look on the page, with quick-drying qualities that help minimize smudging during everyday writing. Known for Diamine’s reliable, water-based formula, this ink delivers consistent color, easy cleanup, and dependable performance, making it a favorite choice for both casual writers and dedicated pen enthusiasts seeking a luminous, versatile blue.