This site so useless at times. Why is it so hard for you to report the facts accordingly?

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"Uptown Funk" has NOT sold "10M + copies" in the U.S.A, the highest selling songs in America of the digital age stand at 8M + - "I Gotta Feeling; Party Rock Anthem & Rolling In the Deep". "Uptown Funk" is at 6.9M U.S sales thus this diamond certification includes SPS.

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There are also several other songs eligible for a diamond certification in the U.S: Rihanna's "We Found Love" & "Disturbia" which are at 9x platinum and 8x platinum certifications as of 2016. Also, Katy Perry's "ROAR"; Taylor Swifts "Shake It Off" and several more etc. Even Adele's "Hello" is eligible for a diamond certification. It's sold 5 Million copies in the USA and almost 3 million in SPS.