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Historic Diamonds

Auctions View More
Mellon Blue diamond The Ultra-Rare Mellon Blue Diamond Sells for $25 Million
By Jane Asher
Gabriela Hearst Gabriela Hearst Is Sotheby’s High Jewelry’s Not So Secret Weapon
By Sam Broekema
Fabergé Winter Egg Diamond Fabergé Egg Fetches $30.2 Million at Historic Auction
By Josie Goodbody
Sotheby's Opens the Breuer Building with a December Auction Filled with Masterpieces Harry Winston, Historically Important 'Jonker VI' Diamond Ring, weighing 22.85 carats, is estimated to achieve $1 - 1.5 million at Sotheby's High Jewelry Sale at the Breuer Building on December 9, 2025. (Courtesy of Sotheby's) Sotheby’s Opens the Breuer Building with a December Auction Filled with Masterpieces
By Grant Mobley
christies Liz Taylor’s Birthday Bulgari and Sinatra’s Engagement Ring to Wow at Christie’s Magnificent Jewels
By Grant Mobley
Famous Diamonds View More
The Koh-i-Noor Diamond: Secrets, Scandals, and a 750-Year Royal Saga
By Jill Newman
Mellon Blue diamond The Ultra-Rare Mellon Blue Diamond Sells for $25 Million
By Jane Asher
The World’s Most Famous Diamonds and Their Scandalous Stories
By Jill Newman
Feeling Fancy? Get to Know the True Colors of These Historic Fancy Colored Diamonds
By Benjamin G. Guttery
Harry Winston: The Extraordinary Life of the King of Diamonds
By Grant Mobley
Royal Stories View More
The Koh-i-Noor Diamond: Secrets, Scandals, and a 750-Year Royal Saga
By Jill Newman
A Guide to Queen Elizabeth II’s Royal Tiaras
By Hannah Militano
A Guide to Queen Elizabeth II’s Illustrious Collection of Diamond Jewelry
By Hannah Militano
A Glittering Tour of Royal Jewelry Exhibitions in Europe in 2026
By Milena Lazazzera
The Secret Legacy of Princess Diana’s Spencer Tiara—And Who Might Wear It Next
By Hannah Militano
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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