ChrisSpace

Fun fact: Even if you mined up all the diamond on Jupiter and Saturn (and the rest of the solar system which is presumably just a rounding error by comparison), you'd only be able to make full sets of diamond armour for about a fifth of the word's Minecraft players. For reference:

10 million metric tons / 526.5 kg = 18.993 million

18.993 million / 91 million = 20.87%

I have no idea why I calculated this, but I did