Udachnaya was discovered on 15 June 1955, just two days after the discovery of the diamond pipe Mir by Soviet geologist Vladimir Shchukin and his team.
Udachnaya ditemukan pada tanggal 15 Juni 1955, hanya dua hari setelah penemuan pipa berlian Mir oleh ahli geologi Soviet, Vladimir Shchukin, dan timnya.