{"product_id":"diamine-graphite-fountain-pen-ink-bottle","title":"Diamine Ink Bottle - Graphite","description":"\u003cp\u003eDiamine Ink Bottle - Graphite delivers a cool, urban grey that reads with authority on the page without overwhelming it. This versatile shade sits between charcoal and slate, offering excellent legibility for notes, correspondence, and sketch work while maintaining a refined, understated presence.\u003c\/p\u003e\u003ch3\u003eColor \u0026amp; Performance\u003c\/h3\u003e\u003cp\u003eGraphite is a dark grey with subtle, natural shading that adds dimension to everyday writing. The water-based, dye-based formula offers dependable flow, cleans up easily, and is well-behaved across a wide range of fountain pen nibs and paper types. Expect crisp lines, consistent starts, and a tidy maintenance routine that suits daily use.\u003c\/p\u003e\u003ch3\u003eBrand Heritage\u003c\/h3\u003e\u003cp\u003eDiamine has produced inks in the United Kingdom since 1864, and its modern formulations continue that legacy of reliability and color nuance. Graphite reflects Diamine's balanced approach to saturation, flow, and usability that writers and artists trust in both contemporary and vintage pens.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBrand: Diamine\u003c\/li\u003e\n\u003cli\u003eColor: Graphite (dark grey)\u003c\/li\u003e\n\u003cli\u003eInk type: Water-based, dye-based fountain pen ink\u003c\/li\u003e\n\u003cli\u003eFormat: Bottled ink\u003c\/li\u003e\n\u003cli\u003eCompatibility: Safe for use in modern and vintage fountain pens\u003c\/li\u003e\n\u003cli\u003eOrigin: Made in the UK\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Diamine","offers":[{"title":"2ml Sample","offer_id":40536580194338,"sku":null,"price":1.65,"currency_code":"USD","in_stock":true},{"title":"5ml Sample","offer_id":40536580227106,"sku":null,"price":3.3,"currency_code":"USD","in_stock":true},{"title":"30ml Bottle","offer_id":40536580259874,"sku":"3071","price":9.0,"currency_code":"USD","in_stock":false},{"title":"80ml Bottle","offer_id":50221288915219,"sku":"DM-7071","price":19.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2083\/6627\/products\/Diamine-Graphite-Grey-Ink-Bottle.jpg?v=1656079299","url":"https:\/\/www.truphaeinc.mom\/products\/diamine-graphite-fountain-pen-ink-bottle","provider":"Truphae","version":"1.0","type":"link"}