Tiffany & Co. has unveiled Blue Book 2023: Out of the Blue, a remarkable high jewellery collection celebrating the enchanting marine creations that fascinated designer Jean Schlumberger. Designed by Nathalie Verdeille (Tiffany’s Chief Artistic Officer of Jewellery and High Jewellery) in a way that honours Schlumberger’s indelible legacy, these extraordinary pieces reinvent iconic sea-inspired motifs with stunning geometric forms and sparkling precious stones.