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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 Golden Jubilee Diamond: The Largest Gem-Quality Diamond Ever Cut
By Grant Mobley
Queen Mary of Denmark attends the New Year's Court/the New Year's Day Parade hosted by King Frederik X of Denmark and Queen Mary of Denmark at Christian VII's Palace on January 1, 2026 in Copenhagen, Denmark. (Photo by Martin Sylvest Andersen/Getty Images) Meet the Danish Rose Diamond Bandeau, Denmark’s Newest Crown Jewel
By Jane Asher
Empress Joséphine Bonaparte: Natural Diamond Trendsetter 
By Hannah Militano
Mellon Blue diamond The Ultra-Rare Mellon Blue Diamond Sells for $25 Million
By Jane Asher
Feeling Fancy? Get to Know the True Colors of These Historic Fancy Colored Diamonds
By Benjamin G. Guttery
A Glittering Tour of Royal Jewelry Exhibitions in Europe in 2026
By Milena Martins-Alexandre
Harry Winston: The Extraordinary Life of the King of Diamonds
By Grant Mobley
Consuelo Yznaga 130 Dynastic Jewels Make a Grand Entrance in Paris
By Josie Goodbody
Inside Queen Mary’s Dolls’ House: The Bejeweled Miniature Fit for a Queen
By Josie Goodbody
A Diamond Fit for a Queen: The Marie-Thérèse Pink and the Enduring Allure of Marie Antoinette
By Milena Martins-Alexandre
Bunny Mellon’s Extraordinary Legacy of Jewels
By Meredith Lepore
Marie Antoinette Style Step Inside the Glittering World of Marie Antoinette Style and the Jewels That Define It
By Josie Goodbody
Gabriela Hearst Gabriela Hearst Is Sotheby’s High Jewelry’s Not So Secret Weapon
By Sam Broekema

A Portuguese Natural Diamond Treasure Trove in Lisbon
By Elisa Anniss
Unraveling the Story of the Idol’s Eye, the World’s Largest Natural Blue Diamond
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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