Not everyone knows what a diamond carat is, but it is something important to consider when buying and selling this gem. While it isn't the sole factor for determining the value, diamond carat weight does play a large enough role that you should be aware of it. Here's our brief run-through of all you need to know about diamond carats. Photo by Lukas from Pexels.com The Basics of Diamond Carats Many people believe a carat measures the diamond size, but that's a common misconception. A diamond carat actually measures the diamond's weight. One carat is equal to 200 milligrams, or 0.200 grams and...