The Diamond Building, formerly known as the Diamond Shamrock Building, is a skyscraper

Skyscraper

A skyscraper is a tall, continuously habitable building of many stories, often designed for office and commercial use. There is no official definition or height above which a building may be classified as a skyscraper...

 in downtown

Downtown Cleveland

Downtown Cleveland is the central business district of the City of Cleveland and Northeast Ohio. Reinvestment in the area in the mid-1990s spurred a rebirth that continues to this day, with over $2 billion in residential and commercial developments slated for the area over the next few years...

 Cleveland, Ohio

Ohio

Ohio is a Midwestern state in the United States. The 34th largest state by area in the U.S.,it is the 7th‑most populous with over 11.5 million residents, containing several major American cities and seven metropolitan areas with populations of 500,000 or more.The state's capital is Columbus...

. Built in 1972, it has 23 floors and rises to a height of 282 feet (86 m). It was designed by the firm of Skidmore, Owings and Merrill

Skidmore, Owings and Merrill

Skidmore, Owings and Merrill LLP is an American architectural and engineering firm that was formed in Chicago in 1936 by Louis Skidmore and Nathaniel Owings; in 1939 they were joined by John O. Merrill. They opened their first branch in New York City, New York in 1937. SOM is one of the largest...

and is located at 1100 Superior Avenue at East 12th Street. In 1994, during a watermain break, a four-story section of the Diamond Building lost some of its glass from pressure of the water.