Mattson, Linda. History of the Village of Otter Lake, Lapeer County, Michigan. CMU Term Paper, 1971. Metamora Among the Hills: A History. Metamora Township, MI: Metamora Friends of the Library, 1979. Porter, Floyd W. The Triumphs of His Grace; A Pilgrimage of More than 140 Years by the People of God, Called Methodist at Lapeer, Michigan.
The Cullinan, which was found near Pretoria more than a century ago, was until recently acknowledged to be the largest cut diamond in the world, weighing in at 530.20 carats. In 1985 it lost the record to the Golden Jubilee, which was found in the same mine as the Cullinan and weighed 545.67 carats.
A partial list of famous diamonds in history follows. Name Uncut weight (carat) Cut weight (carat) Color Country/region of origin Description Image 26th Congress of the Communist Party of the Soviet Union 342.57 yellow Russia / USSR Mined at the Mir kimberlitic pipe (Yakutia, Russia) in 1980. It is the largest gem diamond ever found in Russia or the former USSR.