8 Biggest and Most EXPENSIVE gemstones off All Time
- Published on Apr 20, 2018
- It's pretty amazing, but a different spatial arrangement of carbon atoms can form graphite in one case and one of the most expensive and beautiful stones in the world in the other. Diamonds are a girl’s best friend as we all know. Hello everyone, today we are going to talk about unique crystals that anyone would love to own. Here we go.