We already know a lot about the difference between a diamond and a sapphire from the previous article. Diamond is the hardest and an exceptional beauty gemstone that is characterized by its timelessness and uniqueness. But did you know that emeralds sometimes can be rarer and more expensive than a diamond? And to keep emerald’s beauty you need to care for it with baby oil? What is the difference between these two gemstones? Let us reveal the secrets! Emerald is a gemstone of beryl known for its deep bluish-green color. They get their green color from trace amounts of chromium...