What is the mechanism behind the green color in naturally irradiated diamonds?

For the very first time in India, Aukera is set to revolutionise the world of jewellery with the introduction of some of the rarest diamond cuts ever seen. 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 ... ABU DHABI, United Arab Emirates (AP) — A rare blue diamond was on display Tuesday at an exhibition of $100 million worth of the world's rarest diamonds in ... It's estimated that only around 20 to 30 true gem-quality red diamonds exist in the world, some weighing less than one carat. 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 – ... Jun 13, 2023 ... The rarest and most prized of all these diamond types is the elusive red diamond with only 20-30 specimens thought to exist in the world. Sep 26, 2022 ... A beautiful blue flaw in a gem-quality diamond from Botswana is actually a tiny fragment of Earth's deep interior—and it suggests our planet's ... May 16, 2023 ... Red colored diamonds are the rarest and most valuable of all the fancy color diamonds. · The Argyle diamond mine is the world's largest producer ... 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 ... Apr 2, 2025 ... One of the world's rarest diamonds - dubbed The Mediterranean Blue - is up for sale for the first time after being discovered in 2023 ... One of ...