Jubilee Diamond Jubilee Diamond The Jubilee Diamond, originally known as the Reitz Diamond is a colourless, cushion-shaped diamond weighing 245.35 carats (49.07 grams), making it the sixth largest diamond in the world. It was originally named after Francis William Reitz, the then president of the Orange Free State where the stone was discovered, before being renamed to honour the 60th anniversary of the coronation of Queen Victoria in 1897. The original stone, a rough octahedron weighing 650.80 carats (130.16 g), was discovered in 1895 at the Jagersfontein Mine in South Africa. A consortium of diamond merchants from London purchased it along with
Diamond Jubilee Stakes 19th century. The present system of race grading was introduced in 1971, and the Cork and Orrery Stakes was initially classed at Group 3 level. It was promoted to Group 2 status in 1998. The race was renamed to commemorate the Golden Jubilee of Queen Elizabeth II in 2002. From this point it held Group 1 status. In 2012 the race was given its current name, Diamond Jubilee Stakes, to commemorate the Diamond Jubilee of Queen Elizabeth II The Diamond Jubilee Stakes became part of a new international race series, the Global Sprint Challenge, in 2005. In 2013 it was