Forget sparkle—Mechanical Grade Diamonds are all about strength! These lab-made diamonds are the toughest material on Earth.

They are used to make super-sharp blades for surgeons, super-strong drill bits that can cut through rock, and long-lasting parts for machines. While a Supreme Green Diamond might be in a necklace, a ,Mechanical Grade Diamond is more likely to be hard at work building or cutting something. They are the unsung heroes of industry!