Rare oval white diamond ready for auction, expected to fetch two to four billion.

One of the rarest diamonds in the world, the dazzling, jigsaw puzzle white oval diamond is up for auction. The price of this diamond is expected to be between two billion and four billion.

The 102.39 carat white diamond is the second most expensive diamond to be auctioned.

Earlier in 2013, the largest diamond was put up for auction, weighing 118.28 carats, which fetched about Rs 5 billion.