This is the diamond predicting model I built. When I say "built" I meant copy and pasted a bunch of code and then tweeked it :). Most of what I learned came from Sentdex. You can check out his channel here :
https://www.youtube.com/user/sentdex

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The tutorial he did with the diamonds you can check out here:
https://www.youtube.com/watch?v=BpPJxtOk8uw

This is an overview and not a tutorial. Hope you enjoy watching.