What is your favorite Diamond cut?
A diamonds cut means everything for it's beauty and feels. A round brilliant cut is beautiful.
I agree!! Are you familiar with the 4C's? 
I know Color and Clarity.
Cut and clarity!! lol. I wonder if diamonds are used for other things besides jewelry...
They are used for industrial purposes as well as jewelry.
What are the benefits in industrial uses?
Since they are the hardest substance known so they can assume a variety of shapes for grinding and abrasive uses.
Very interesting... I wonder if they are used in future weaponary...
They have been used to buy weapons in the past.