{"id":"double-diamond","title":"Double Diamond","summary":"A design framework describing divergent and convergent exploration of both problems and possible solutions.","concepts":["Discover: investigate affected people and problem situations","Define: use research evidence to set the scope of the problem","Develop and deliver: explore alternatives and refine them through testing"],"application":"Use it when requirements arrive as proposed solutions, to re-examine the underlying problem and compare alternatives.","limitations":"It is not a timetable in which each stage is completed only once. New evidence may require revisiting the problem definition and alternatives.","directions":["Broaden exploration: investigate overlooked users and causes.","Focus convergence: quickly test solutions to an established problem."],"category":"Technology and product","kind":"framework","kind_label":"Framework","persona_ids":["designer","manager","market-researcher"],"revision":1,"updated_at":"2026-10-07T00:00:00.000Z","sources":[{"title":"The Double Diamond","url":"https://www.designcouncil.org.uk/our-resources/the-double-diamond/","publisher":"Design Council","edition":"Official institutional explanation","region":"Design method from a UK institution","checked_at":"2026-10-07","reuse":"Independent editorial summary and source link; the original text is not republished."}],"review":{"status":"source-checked-editorial","expert_reviewed":false},"editorial_note":"Editorial English translation of the Korean edition. No professional translation or occupational expert review has been completed. Translation does not change the source jurisdiction.","language":"en","translation":{"status":"current","source_language":"ko","source_version":"kb-721f92cba537efa1","translated_at":"2026-10-09","professional_reviewed":false},"trust":"reference-data","version":"kb-9590d577d7de5a9b","links":{"document":"/en/knowledge/double-diamond","markdown":"/en/knowledge/double-diamond.md","api":"/api/v1/knowledge/double-diamond?lang=en"}}