The case files of jeweler richard (light novel) vol. 7 - nanako tsujimura

This highly acclaimed mystery tale about a young man teaming up with a handsome jewelry appraiser inspired a popular anime-and a manga adaptation (also from Seven Seas)! When Seigi Nakata rescued a handsome young jewelry appraiser from a group of drunken assailants, he got more than he bargained for! The appraiser is Richard Ranasinghe de Vulpian, a brilliant and mysterious British jewelry expert.

Seigi hires him to appraise a family heirloom.

and that is just the beginning.

Together, they unlock the secret messages hidden in the hearts of precious stones-and those who possess them.