(TrendHunter.com) Tiffany & Co. has introduced the 2026 Blue Book Hidden Garden collection, a high jewelry series designed by Nathalie Verdeille alongside the Design Studio. This range reinterprets the artistry of…(TrendHunter.com) Tiffany & Co. has introduced the 2026 Blue Book Hidden Garden collection, a high jewelry series designed by Nathalie Verdeille alongside the Design Studio. This range reinterprets the artistry of…