Carat Weight Carat is a metric unit of weight used in the gemstone industry to describe how much a gemstone weighs. A carat is equal to one fifth of a gram or it can be said that there are five carats in one gram. The term points means a decimal fraction of a carat. A point is equal to .01 of a carat. Proper cutting is what gives a gemstone its beauty and brilliance .
Many people are confused about what a well cut gemstone looks like.
There are no big mysteries about judging good cutting, it is very simple. When viewing a gemstone, looking at the table, a well cut gemstone will be very bright across the entire surface. This brightness is light being bounced around inside the gemstone and being reflected back to your eye. You cannot see through a well cut gemstone because almost all light is being reflected back towards your eyes. Windows are some thing that you are meant to look through and these are better left as windshields in you car or as windows in your home.