Showcasing the world’s finest diamonds and extraordinary colored gemstones, Blue Book 2026: Hidden Garden reveals a secret landscape where nature’s quiet transformations unfold in radiant beauty. Designed by Nathalie Verdeille—Senior Vice President and Chief Artistic Officer—alongside the Tiffany Design Studio, the newest high jewelry collection reinterprets Jean Schlumberger’s artistry and iconic flora and fauna motifs into sculptural masterpieces of exceptional beauty.