What makes a diamond red?

Oct 24, 2019 ... An Auction Item. Article content. The Argyle closing is expected to bring renewed attention to pink diamonds at auction as buyers snap up ... 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. 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 ... Jul 1, 2022 ... Ever wonder what is the rarest cut of diamond? The jubilee cut remains one of the rarest diamond cuts that do not feature a table; instead, it ... Aug 1, 2018 ... Blue diamonds are not only some of the rarest and deepest diamonds on Earth, but they also might contain secrets about our planet's interior. 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 ... Apr 10, 2023 ... These five diamonds are some of the rarest and most valuable gemstones in the world. Their rarity is due to their unique colors, sizes, and exceptional ... Apr 23, 2025 ... The main stone of “The Incomparable” Diamond Necklace, a 407.48-carat diamond, was found by an impoverished girl in Congo, Africa. This rare gem ... 10. The Moussaieff Red Diamond — Up to $8 million ... Starting our list of the top most expensive diamonds in the world is the Moussaieff Red ... At a huge 1,109 carats, the tennis-ball sized Lesedi La Rona rough diamond was first honoured with its very own auction at Sotheby's London on June 29, 2016 but ...