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.
Â· The Cullinan Diamond was discovered in 1905 and at 3,106 carats was the largest gem-quality rough diamond ever found. Cullinan I, or the Great Star of Africa - at 530 carats formerly the largest cut diamond - was one of the 105 gems cut from it. Â· The Koh-i-noor is part of the British crown jewels.
The Jonker: 726 carats. This giant gem, found in South Africa in 1934, was found by a settler called Johannes Jacobus Jonker, hence its unusual moniker. Itâs believed the rough diamond was eventually cut into 13 smaller gemstones, with the largest diamond, the Jonker I, still weighing in at an incredible 142.9 carats.