7 Surprising Uses For Diamonds

Diamonds are usually seen atop an expensive engagement ring, but these precious rocks hold more worth than you think. Charge Your Phone In 5 Seconds ►►►► Sign Up For The TestTube Newsletter Here ►►►► Read More: How These Microscopic Diamonds Are Going to Shape the Future “No doubt you’re already familiar with the many ways graphene promises to save us all, but there’s anot