The ocean has always captivated us. It is at once eternal and ever-changing, its tides a heartbeat, its depths a vault of secrets. For centuries, poets and explorers alike have tried to chart its mysteries, only to find that the sea reveals itself not in maps, but in moments of wonder.

Tiffany & Co. invites us to dive once more into that mystery with the Fall Expression of its annual high jewelry showcase: Blue Book 2025: Sea of Wonder. Nearly 40 never-before-seen designs surface in this chapter, shimmering like treasures risen from the deep.

Courtesy of Tiffany & Co.

The collection honors the sea as muse, channeling its organic forms and fantastical beauty through the eyes of Jean Schlumberger. Here, archival creations, long regarded as legends, are reinterpreted with a modern pulse, with gold glinting like sunlight on tide, diamonds refracting like saltwater spray, and opals shimmering with the iridescence of shells and coral gardens. Rare gemstones capture the glint of scales and the sway of unseen flora, so that each piece emerges as a fragment of the ocean translated into wearable wonder.

The fall chapters include Anchor, Anemone, Ocean Flora, Shell, Urchin and Mermaid, each offering a different current to follow. Anchor speaks of grounding and strength, Anemone of delicate movement. Ocean Flora blooms like submerged gardens, while Shell and Urchin recall hidden sanctuaries and fragile fortresses. The mermaid, the most mythical of them all, embodies pure enchantment, that elusive and eternal pull of the sea.

Courtesy of Tiffany & Co.

“We continue our exploration of this dreamlike underwater world with the fall expression of Blue Book 2025: Sea of Wonder,” shares Nathalie Verdeille, Chief Artistic Officer, Jewelry, and High Jewelry at Tiffany & Co. “It is a poetic expression of transformation, where the sea’s beauty is beautifully reimagined in modern masterpieces.”

Indeed, Tiffany’s Blue Book has always been more than jewelry. In Sea of Wonder, it becomes a narrative in gemstones, telling the story of the sea itself, endless in depth, fluid in movement, and shimmering with uncharted mystery.

Courtesy of Tiffany & Co.