You can spend the rest of your life sampling different vetiver scents/compositions and still not define the scent. There is that much of a variety.
here are some of the available vetiver scents that are universally loved
Guerlain vetiver
Tom Ford Grey vetiver
Chanel Sycomore
Vetiver Extraordinaire (Frederick Malle)
Lorenzo Villoresi Vetiver
Creed Original vetiver
That should get you started. Samples are available. try theperfumedcourt.com or surrendertochance.com
here are some of the available vetiver scents that are universally loved
Guerlain vetiver
Tom Ford Grey vetiver
Chanel Sycomore
Vetiver Extraordinaire (Frederick Malle)
Lorenzo Villoresi Vetiver
Creed Original vetiver
That should get you started. Samples are available. try theperfumedcourt.com or surrendertochance.com