Last name เพชรสกุลใจดี (เพชรสกุลใจดี 
) , all over the world, is an extremely rare surname. The cognomen เพชรสกุลใจดี is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| เพชรสกุลใจดี | Thailand |