Black Diamond is a city in King County, Washington, United States. The population was 4,697 at the 2020 census. In 2023, with a 40.6% growth rate, Black Diamond was the fastest growing small city in King County.
Gorbachev died at the Central Clinical Hospital in Moscow on 30 August 2022, at the age of 91. He died after a “severe and prolonged illness,” according to the hospital.