Can diamonds be used to make CO2 gas?

yes???

Explanation:

I think so because diamonds are made out of carbon

Diamonds conjured from greenhouse gas. Conjuring gemstones from thin air sounds like one of the alchemist's more ambitious projects. But that is what a team of chemists from China is claiming to have achieved by making small diamonds from carbon dioxide.

Explanation:

answer; i believe the correct answer is benjamin harrison;