Eternity ring

I have an eternity ring i got in june 2006...Etoile 4-row pavé diamond band ring it is 3 carats in wieght..its colour grade is f and clarity grade is vs and platinum.
I want to sell it...where do i sell it and how much would it be worth? And would it be hard to sell.

Thanks for all posts..

You could sell it here

[broken link removed]

Murt