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"The largest diamond ever found in Brazil weighed 254 and a half carats, and was discovered in 1853 by a [African-American] in the river Bogageno; it is known as the "Star of the South." It was sold to the Gaekwar of Baroda for $450,000."—(Charles Leonard-Stuart, 1911)

Star of the South Diamond

"The largest diamond ever found in Brazil weighed 254 and a half carats, and was discovered in 1853…