That's the question that you really don't want to hear, but here are a couple of easy ways to check if your diamond is "real". Place your precious stone on a newspaper; if you can read the writing through the diamond then you possibly have a glass or quartz diamond. As an alternative, buy a Diamond Tester online or learn other techniques here below. And if you still don't have a diamond, remember to always buy one that has been ethically and sustainably sourced!
Do you like to learn more about fake diamonds and ways to see if they are real? Just read this article.
"frammenti di diamante" earrings handmade with sustainable Herkimer diamonds and signed by Maddalena Bearzi; these earrings are available here