Ask ‘The Diamond Guy ®’

Jeweler Fred Cuellar holds a gold and gemstone version of the Rubik's Cube at Liberty Science Center, Wednesday, April 25, 2012, in Jersey City, N.J. The center will have an exhibit on the toys and will include the diamond version, which is worth 2.5 million dollars. (AP Photo/Julio Cortez)

Every day Fred Cuellar answers questions about diamonds. Why? Because he’s one of the world’s most renowned experts on the subject of diamonds. So you can ask a question here if you cannot find it in the database. Questions are not answered immediately. It may take some time for your question to be answered. When it is answered, you will receive an email notifying you and a link to the answer.

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