Wild about emeralds? 💚 Here are some emerald facts: 💎 The first lab-grown emerald was created in 1937 by American chemist, Carroll Chatham, and is now on display at the Smithsonian. — The emerald in this Artemis is lab-grown by the family company, Chatham Gems! 💎 Emeralds sit at a 7.5 - 8 on the Mohs Scale of Hardness. 💎 Emeralds were mined by the ancient Egyptians around 1500 BC and were said to be Cleopatra’s favorite gemstone. 💎 Emeralds are one of the four recognized precious gemstones,