Synthetic gemstones are fake gems that are made in a laboratory instead of being found in nature. In the lab, the scientists use special tools and machines to create a gem that looks just like a real one. They do this by mixing certain chemicals together and heating them up to very high temperatures.
The scientists then carefully control the conditions inside the lab to make sure the gem grows and forms into the shape they want. This takes a lot of time and patience because it's a very delicate process. But when the gem is finished, it looks just like a real one!
Even though synthetic gems aren't real, they can be just as pretty and valuable as real gems. People like to wear them in jewelry because they sparkle and shine just like real gems. Plus, they are often cheaper than real gems so people can afford to buy them even if they can't afford the real thing.
But remember, even though synthetic gems aren't real, they still require care and attention to maintain their beauty. Just like with real gems, you should take care not to scratch or damage them so they can last a long time and continue to look beautiful.