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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
Catherine the Great 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
Babe Paley The Diamonds of a Swan: Babe Paley’s Iconic Jewels
By Meredith Lepore
Jonker Diamond The Jonker Diamond: A 726-Carat Giant That Continues to Make Headlines
By Grant Mobley
The Archduke Joseph Diamond Why the Archduke Joseph Diamond Is One of the World’s Most Perfect Diamonds
By Grant Mobley
jacob diamond The Jacob Diamond: The Priceless Gem That Spent Years Hidden in a Shoe
By Grant Mobley
elizabeth taylor burton diamond necklace

Diamond Hall of Fame:
The Taylor-Burton Diamond
By Jill Newman
Royal Stories View More
Catherine the Great How Catherine the Great Made Diamonds Her Greatest Power Move
By Archana Thani
Meghan Markle’s Wedding Tiara Has a Surprising Royal History
By Hannah Militano
Queen Elizabeth II wears a sash featuring Queen Mary's Diamond Lover’s Knot Bow Brooch and the Star of the Order of the Garter, photographed by Cecil Beaton in 1968. (Courtesy of Royal Collection Trust) Queen Elizabeth II’s Extraordinary Collection of Diamond Brooches
By Hannah Militano
Queen Alexandra Was the OG Royal Jewelry Influencer
By Meredith Lepore
Coronation portrait of Catherine II Catherine the Great Romanov Russian Royal Family The Splendor and Mystery of the Romanov Jewels
By Milena Martins-Alexandre
All Historic Diamonds
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
The Princie Diamond: The Scandal and 300-Year Mystery Behind a $39M Pink Gem
By Jill Newman
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
Barbara Hutton Inside Barbara Hutton’s Legendary Diamond Collection
By Meredith Lepore
table cut diamond ring The Table Cut Diamond and the Birth of Diamond Fashioning
By Grant Mobley
christies Liz Taylor’s Birthday Bulgari and Sinatra’s Engagement Ring to Wow at Christie’s Magnificent Jewels
By Grant Mobley
Cardinal Mazarin's Le Grand Mazarin diamond sold at the 2017 Christie's Magnificent Jewels auction in Geneva The Untold Story of Le Grand Mazarin Diamond, France’s Legendary Crown Jewel
By Grant Mobley
The Wittelsbach- Graff Diamond: A cushion-shaped, 35.56-carat, fancy deep greyish-blue diamond, sold for $24.3 million at Christie’s London on December 10, 2008 to Laurence Graff and renamed the Wittelsbach-Graff. (Courtesy of Christie's) The Wittelsbach-Graff Diamond: The Journey of a Blue Legend
By Grant Mobley
Marie Antoinette Jewelry: The Ultimate Diamond Influencer
By Jill Newman
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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