The Oppenheimer Blue sold on Wednesday for more than $57.5 million including fees at a Christie's auction in Geneva, making it the most expensive diamond ever sold.

Most of them being brown diamonds ... Why are Chocolate Diamonds so expensive? Diamonds get their color by how they're formed, whether it was a different element that got pulled into the carbon ...

Earlier, he was also spotted wearing one of the most expensive limited-edition Billionaire III watches adorned with 714 diamonds from Jacob & Co. It is worth a jaw-dropping ₹41.98 crores.