Archduke Joseph, one of the rarest and most famous diamonds in the world, with its origin traced to ancient Golconda mines of Andhra Pradesh, is all set to be auctioned on Tuesday.

Presented in Genev

One of the rarest and most famous diamonds in the world, with its origin traced to the ancient Golconda mines in Andhra Pradesh, will go under the hammer next month and is expected to fetch over $15 m