Kohinoor diamond: Kohinoor is considered the most precious ... But it was extracted from the mine of Golconda located in Guntur district of Andhra Pradesh about 800 years ago.

The Golconda Blue, once owned by Indian royalty, is set to go under the hammer. What is its historical significance? What is ...

The Koh-i-Noor. 105-carats, oval-shaped, and arguably, the world’s most famous diamond. Today, it’s set among 2,800 other stones in the Crown Jewels, but it hasn’t always been there.