Natural diamonds and lab-grown diamonds are chemically and visually identical.
Their only difference lies in their origin.
Natural diamond: is created by and in the earth millions of years ago.
Synthetic diamond: was intentionally created in a laboratory by humans
Since it became known that diamond is just a particular form of carbon, physicists and chemists have tried to synthesize it.
The first artificial diamond synthesis took place in 1953 in Stockholm.
More recently, the Californian company Akhan Semiconductor has developed a manufacturing process to use it as semiconductors.
Lab-grown diamonds are real diamonds insofar as they have the same chemical composition as natural diamonds.
Lab-grown diamonds are on average 30% cheaper because they are less rare and consequently less precious.
A natural diamond, one carat, costs about $6500, while a synthetic one costs about $3700.
To the naked eye, it is impossible to differentiate a synthetic diamond from a natural diamond.
Only experts can do it.