diamonds investment

Now that we've seen to run out of cash soon, which's a big problem for me, what do you have to invest in it, if it's not crypto or stocks? I want to invest them in something I can touch such as Gold, Silver and Diamonds, but I already have. I wondered about art but have no knowledge of it at...

I would like to know if you think Gold and diamonds is better for investment compared to Whisky? Your thoughts count, please post.