Surname Бриллиант (Бриллиант 
) , globally, is a very rare family name. The family name Бриллиант is habitual in Kyrgyzstan, where it is a very rare surname, and Russia. More prevalently, Бриллиант is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Бриллиант | Kyrgyzstan, Kazakhstan, Russia |
|
дора владимировна бриллиант UA (b. 1879) |
|
| бриллиант, марина давыдовна RU (b. 1934) |
|