What is the role of nitrogen in yellow diamonds?

The Pink Star Diamond is the most expensive diamond to ever have been sold. Sold at auction by Sotheby's in Hong Kong for $71.1 Million. May 9, 2022 ... JLo's engagement ring, a spectacular 8.5-carat natural green diamond – the second rarest diamond in the world after intense red – is putting ... The top 10 most expensive and unique diamonds in the world are an impressive collection of stones that showcase the beauty and rarity of diamonds. Jan 27, 2025 ... Learn about natural red diamonds, the rarest diamond color. Explore their formation, value, and why they're the most expensive gems on Earth. We ... Dec 1, 2021 ... “Brilliance: The Art and Science of Rare Jewels” features more than 100 pieces of jewelry and opens at Natural History Museum of Los Angeles County on Dec. 8. Apr 8, 2025 ... A rare blue diamond was on display Tuesday at an exhibition of $100 million worth of the world's rarest diamonds in the United Arab ... Red diamonds are commonly known as the most expensive and the rarest diamond ... ^ Argyle Everglow : One of the world's rarest Red Diamonds unveiled in New York ... Sep 22, 2023 ... What's the most expensive diamond in the world? The most expensive diamond with a monetary valuation is The Cullinan Diamond. Only The Kohinoor ... 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. 6 days ago ... The Pink Star is the most expensive diamond in the world, sold for $83 million. Known for its vivid pink colour and flawless clarity, ...