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Auctions View More
CTF Pink Star Diamond The 10 Most Expensive Diamonds Ever Sold at Auction
By Grant Mobley
Fancy Vivid Blue 5.04 carat diamond Christie’s Just Sold the Azure Blue, the Largest Fancy Blue Diamond Ever Offered
By Grant Mobley
Extraordinary Blue and Pink Diamonds Headline Sotheby’s New York High Jewelry Sale
By Grant Mobley
Sothebys Artistic Luxury Auction Imperial Jewels (Courtesy of Sotheby's) Imperial Jewels Linked to Catherine the Great Resurface After a Century in Hiding
By Grant Mobley
Jwaneng 28.88 Diamond De Beers’ 28.88-Carat Jwaneng Diamond Sells for $2.6 Million at Sotheby’s Hong Kong
By Grant Mobley
Famous Diamonds View More
elizabeth taylor burton diamond necklace

Diamond Hall of Fame:
The Taylor-Burton Diamond
By Jill Newman
The Orlov Diamond in the Russian Imperial Sceptre. (Courtesy of Elkan Weinberg/ Wikimedia Commons/ Public Domain) The Orlov Diamond is a 300-Year-Old Mystery Sitting Inside the Kremlin
By Grant Mobley
The Okavango Blue Diamond: Botswana’s Dazzling National Treasure
By Shelley Brown
The Portuguese Diamond is among the largest cut diamonds on public display. A Type Ia 127.01 ct diamond with very strong bluish fluorescence The Portuguese Diamond Is the Smithsonian’s Most Mysterious Giant
By Grant Mobley
The Diamonds That Defined America’s First Ladies
By Sarah Cassuto
Royal Stories View More
Coronation portrait of Catherine II Catherine the Great Romanov Russian Royal Family The Splendor and Mystery of the Romanov Jewels
By Milena Martins-Alexandre
Is the Convertible Tiara the Most Versatile Piece of High Jewelry?
By Hannah Militano
The Glorious Royal Jewels of Queen Camilla
By Josie Goodbody
Greek Royal Jewelry The Greek Royal Jewelry Collection Traces the History of Europe In Diamonds
By Meredith Lepore
swedish crown jewels The Swedish Crown Jewels Are a European Dynasty Told Through Diamonds
By Meredith Lepore
All Historic Diamonds
The Top 5 Royal Tiara Rules You’ve Never Heard Of
By Hannah Militano
The Definitive Guide to Queen Elizabeth II’s Royal Tiaras
By Hannah Militano
The Story of Granny’s Chips, the Most Valuable Brooch in the World
By Grant Mobley
Inside the Royal Vault: Celebrating 100 Years of Queen Elizabeth II’s Jewels
By Hannah Militano
Bee de chaumet necklace Bee de Chaumet: Why This Napoleonic Symbol Is Still Buzzing
By Meredith Lepore
The Princess of Wales wears Queen Victoria’s Oriental Circlet Tiara at the state banquet for the German President Frank-Walter Steinmeier at Windsor Castle on December 3, 2025. Kate Middleton’s Most Historic Tiara Moments—and the Stories Behind Them
By Hannah Militano
The Radical Vision of René Boivin: Jewelry as Sculpture
By Meredith Lepore
Cartier Panther: This Cartier Panthère is pavé-set with brilliant-cut diamonds, accentuated by striking onyx spots, and illuminated by vivid emerald eyes.​ Featured in the Hong Kong Jewels Auction​ on March​ 30, 2026. (Phillips Jewels) The History of the Cartier Panthère: How the Fierce Feline Became a Feminine Icon
By Hannah Militano
The Secret Legacy of Princess Diana’s Spencer Tiara—And Who Might Wear It Next
By Hannah Militano

The 6 Most Notorious Cursed Diamonds
By Jill Newman
nassak diamond The Nassak Diamond: The Sacred Stone From the Crown of Shiva
By Grant Mobley
graff butterfly necklace The Graff Butterfly: Over 50 Years of Diamonds in Flight
By Meredith Lepore
sancy diamond The Beau Sancy: The Diamond That Impacted Nearly Every Royal Dynasty in Europe
By Grant Mobley
Cartier high jewelry collar Cartier and the Making of Modern Luxury
By Meredith Lepore
Orlov diamond from the golconda mines The 10 Most Famous Diamonds from the Legendary Golconda Mines
By Grant Mobley
Natural Diamond Council (NDC) is a not-for-profit organization dedicated to promoting and protecting the integrity of the natural diamond industry worldwide. NDC serves as the authoritative voice for natural diamonds, inspiring and educating consumers on their real, rare and responsible values.
© 2026 — Natural Diamond Council

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