What is the history of the Koh-i-Noor Diamond?

We have created a list of the 15 most expensive diamonds ever sold. The most valuable diamonds are remarkably large or have exceptional color and clarity. Apr 9, 2025 ... The World's Most Expensive Gemstones · The Pink Star Diamond – $71.2 Million · The Oppenheimer Blue – $57.6 Million · The Estrela de Fura Ruby – ... The Pink Star set the jewelry world ablaze in April 2017, when it sold at auction for a staggering $71.2 million at Sotheby's in Hong Kong. Oct 7, 2023 ... The 10 Most Expensive Diamonds Ever Sold at Auction · 1) Pink Star. Price: $71.2 million · 2) Oppenheimer Blue. Price: $57.5 million · 3) Pink ... 'The Oppenheimer Blue can only be described as one of the rarest gems in the world,' says Curiel. 'It is the gem of gems.' Related departments ... Sep 20, 2024 ... Let's explore the stories behind some of the rarest diamonds that have ever made their mark on this historic city. Apr 18, 2019 ... A diamond crystal in kimberlite. Suddenly diamonds became much more abundant than they ever had been. As every single stone mined could be used ... It's called the Winston Red Diamond, and what makes it so exceptional is the nature of its redness. Designated as a “fancy red” by the Gemological Institute of ... Naturally colored green diamonds are extremely rare. Because of their rarity and the very real possibility of treatment, green diamonds are always regarded with ... The Cullinan II, also called The Star of Africa, is worth about $400 million and is the largest polished white diamond in the world.