Formed at 500 km below the Earth's crust, often over 3 billion years old diamonds are created when carbon is subjected to both huge pressure and heat. A purple-pink diamond of 15.81-carat has set a new record as the largest ever to be auctioned, selling for USD 29.3 million or Rs 213 crores in Hong Kong. Formed at 500 km below the Earth's crust, often over 3 billion years old, diamonds are created when carbon is subjected to both huge pressure and heat. Today we bring before you the five costliest diamonds in the world. Though the most expensive diamond in the world is the oval-shaped legendary Koh-I-Noor, weighing a massive 105.6 carat and the most expensive diamond, we do not know the actual price of it.

Source: dna May 26, 2021 14:48 UTC