The Nassak Diamond is a large, 43.38 carats Golconda Diamond that originated as a larger 89-carat diamond in the 15th century in India. Found in the Golconda mine of Kollur and originally cut in India
Munich, Germany's Reich der Kristalle museum replica of the 1820s Rundell and Bridge recut of the Nassak Diamond. In reality the diamond was nowhere near this blue, being a white Type IIa classic Golconda diamond. The term "blue-white" is often used to describe these diamonds but in reality alongside a modern D-color diamond it would have had an extremely faint blue cast. Its cut was also more complex (see below images).