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Rendered with Cycle 350 Sample
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Polys : 642 ( without subdivision )
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Verts : 649 ( without subdivision )
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Quads Only .
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100% Scale ( x=1 , y=1 , z=1 ) .
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Centered and oriented .
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Some of the Modifiers are not Apply , So you can change its variable ( For example Subdivision ) .
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Feel free to ask any question .
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</ul>
Not bad. I think you need to increase the render samples under the render tab in the properties. It will just make it look better.