Star of the South

The Star of the South, also known as Estrela do Sul, is a diamond found in Brazil in July 1853. The diamond is cut into a cushion shape and weighs 128.48 carats (25.696 g). The Star of the South is graded as a type IIa diamond, with a colour grading of fancy light pinkish-brown and a clarity of VS2. At the time of discovery, the diamond weighed 254.5 carats (50.90 g). It has passed through the hands of many owners, including the Maharaja of princely Baroda State, and its last known purchase was by Cartier, the French luxury jeweller around 2002, when it was sold to them by Rustomjee Jamsetjee of Mumbai. The light reflected by the diamond is white, and the refracted light is of a rose tint. This gives the diamond its light pinkish-brown hue.

The diamond was found by Madi Magassa in 1853, at the Bagagem River in the city now called Estrela do Sul Diamond Mines in Brazil. It was handed over to her master, Casimiro de Moraes, who rewarded her for finding the diamond by granting her freedom and a pension for life. Casimiro de Moraes later sold it for £3,000, a price far lower than its actual value. The buyer deposited the diamond at the Bank of Rio de Janeiro for £30,000.

The uncut diamond was passed through the hands of several buyers, until it was bought by Costers of Amsterdam for £35,000. It was then cut into an oval cushion shape by a cutter named Voorsanger, renowned for having been one of the two men who refashioned the Koh-i-Noor.

It was purchased by Halphen and Associates of Paris, a syndicate of diamond merchants, who named it Estrela do Sul, or Star of the South. The syndicate exhibited the diamond 1862 at the Great London Exposition, and again 1867 at the International Exposition in Paris. On both occasions, the Star of the South received considerable attention. The diamond was later sent to a diamond dealing house in India, where negotiations were carried out to sell it to a Maharajah for a price of £110,000. However, this deal was not successful and the diamond was returned to Halphen and Associates.

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