BrendanHunter/istockphotoHello Kitty isn’t just a cute face — she’s a full-blown empire, and collectors are willing to drop serious cash for the most rare and luxurious pieces. From diamond-studded ...

There are also lanyards, phone cases, stuffed toys, pins and jewelry. The merchandise focuses on Hello Kitty, but also includes companions Keroppi, Kuromi, Cinnamoroll, Chococat and My Melody.

Hello Kitty isn’t just a cute face — she’s a full-blown empire, and collectors are willing to drop serious cash for the most rare and luxurious pieces. From diamond-studded jewelry to ...