Hi im Christian from "Christians How To PLays"
These Chords are 100% correct. 
To look how i play the strumming parts please visit my video lesson of the Song: 
http://www.youtube.com/watch?v=Zk49amOhIP0
This is my Youtube Channel where i upload "How to plays" of many Songs:
http://www.youtube.com/user/ChristiansHowToPlays

Artist: Rihanna
Song: Diamonds


[Chords] ,,


[Intro]

             
Shine bright l

             
ike a diamond
              
Shine bright l

              
ike a diamond


[Verse 1]

             
Find light in 

              
the beautiful 

 
sea
              
I choose to be

      
 happy
You and I, you and I
             
Were like diam

           
onds in the sk

y
              
You're a shoot

           
ing star I see
              
A vision of ec

    
stasy
When you hold me, I'm alive
            
We're like dia

             
monds in the s

ky


[Pre-Hook]

            
I knew that we

             
d become one r

ight away
             
Oh, right away

 
              
At first sight

            
 I left the en

             
ergy of sun ra

ys
              
I saw the life

      
 inside your e

yes


[Hook]

              
So shine brigh

            
t, tonight you

     
 and I
              
We're beautifu

  ( 
l like diamond

s in the sky
            
Eye to eye, so

 
 alive
              
We're beautifu

  ( 
l like diamond

s in the sky


[Post-Hook]

              
Shine bright l

            
ike a diamond
              
Shine bright l

            
ike a diamond
Shining bright like a diamond
              
We're beautifu

  ( 
l like diamond

s in the sky

              
Shine bright l

            
ike a diamond
              
Shine bright l

            
ike a diamond
Shining bright like a diamond
              
We're beautifu

  (  
l like diamond

s in the sky