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Tiffany & Co. Unveils Latest “Sea of Wonder” High-Jewelry Expressions

The new fall expression of the Blue Book 2025 collection continues the maison’s exploration of the underwater world with 40 never-before-seen, exquisitely crafted jewelry creations

By Lucy Rees
The Mermaid Brooch. Photo: Courtesy of Tiffany & Co.

Tiffany & Co. once again takes a magnificent plunge into the depths of the sea with its new fall expression of its 2025 Blue Book, titled “Sea of Wonder.” Launched globally on Friday, September 19, this latest high-jewelry collection is a tribute to the ocean’s natural beauty and mysteries, building on the House’s ongoing fascination with the aquatic world.

Gold and emerald shell-shaped jewelry piece underwater with bubbles rising to the surface.
The Shell Brooch. Photo: Courtesy of Tiffany & Co.
Anchor-shaped diamond necklace hanging above a sand-covered shell with a glowing background.
The Anchor Necklace. Photo: Courtesy of Tiffany & Co.

This launch is the latest chapter in a storied history that began in 1845, when the very first Tiffany Blue Book was published as a mail-order catalog. For nearly two centuries, it has served as the ultimate showcase for the House’s most magnificent high-jewelry creations.

Elegant diamond and ruby necklace arranged in a floral pattern on a rippling blue water background.
The Anemone necklace. Photo: Courtesy of Tiffany & Co.
Golden spiral earrings with diamonds on a blue textured background.
The Shell Earrings. Photo: Courtesy of Tiffany & Co.

Now, with nearly 40 never-before-seen designs, the collection breathes renewed life into the visionary marine-inspired creations of the legendary designer and artist Jean Schlumberger, who was formerly a chief creative director at Tiffany from 1956 through the 1970s.

Elegant diamond ring with intricate design displayed against a textured dark background, showcasing shimmering details.
The Anchor Ring. Photo: Courtesy of Tiffany & Co.
Intricate jeweled bracelet with red and white stones on elegant dark blue satin background
The Anemone Bracelet. Photo: Courtesy of Tiffany & Co.

The narrative unfolds across six mesmerizing chapters: Anchor, Anemone, Ocean Flora, Shell, Urchin, and Mermaid. Each section is a masterclass in poetry and storytelling, where exquisite craftsmanship and ultrarare gemstones come together to express the fantastical forms of the sea.

“We continue our exploration of this dreamlike underwater world with the fall expression of Blue Book 2025: Sea of Wonder,” says Nathalie Verdeille, Chief Artistic Officer, Jewelry and High Jewelry, Tiffany & Co and 2024 Galerie Creative Mind, who has added her own distinct, modern spin on the creations. “Each chapter offers its own moment of discovery, reinterpreting Jean Schlumberger’s marine inspirations with new visions of his aesthetic. It is a poetic expression of transformation, where the sea’s beauty is beautifully reimagined in modern masterpieces.”

Elegant diamond earrings with gold accents and vibrant red gemstones on a luxurious blue fabric background.
The Anemone Earrings. Photo: Courtesy of Tiffany & Co.
Opal and diamond ring displayed on a gray stone against a dark blue background.
The Mermaid Ring. Photo: Courtesy of Tiffany & Co.