Natural Diamond vs Lab Grown Diamond What Is The Real Difference? Is there really a difference between natural diamonds and lab grown diamonds? A lot of people are still debating about this. Are lab grown diamonds worth it? Let’s simplify it. Both are made of carbon. Both sparkle. Both pass diamond testers. So why is natural diamond more expensive? Origin. Natural diamonds were formed millions of years ago under extreme heat and pressure beneath the Earth. They carry natural inclusions. They car