The Case Files of Jeweler Richard Vol 3 Manga

The Case Files of Jeweler Richard Vol 3 Manga by Mika Akatsuki. A Mystery manga rated Teen, published in English by Seven Seas.

College student Seigi Nakata needs an appraisal for a ring with a troubled history, and finds his way to Richard, a stunningly handsome British jeweler with a shop in Ginza. Soon Seigi is working part-time at the store, helping Richard uncover the stories behind the gems their customers bring in.