POPSUGAR Home Art Guess What This Diamond Is Made Of? by Home 2/23/09 0 Shares Like us on Facebook This diamond isn't a rock but a piece of artwork made from another natural material. Can you guess what it's made of? (Hint: you could knock your fist on it for good luck.) Read More DiamondArtGuess Who Art Moana Art Is Getting Us Excited For a New Disney Princess Disney Princesses Like You've Never Seen Them See 16 Disney Princesses and Heroines as Real Women — It's Beautiful! Prepare to Trip Out Over These Emoji Portraits Get inspired with our daily newsletter Tech Love and Sex DIY Home Food Vegetarian Sign up with By signing up, I agree to the Terms and to receive emails from POPSUGAR.