Which is usually terminology when someone says "loose diamond", it usually means a diamond that was cut and polished. A loose diamond is the end product that started with a rough diamond that came out of the mine. A loose diamond is a diamond that is ready for sale and ready to be mounted on a ring, a pendant, earring or any piece of jewelry. There are also customers who like to hold loose diamonds in a safe for investment purposes.

When you have a loose diamond in your hand you can inspect the 4 C's of the diamond from all different aspects such as weight, dimensions, depth, color, and clarity. All major appraisal companies will never certify a diamond if its mounted but only when it is loose.

When the diamond is loose it is very easy to check the anatomy of the diamond.