The cut of a diamond is the most important factor in determining its price because it affects all the other aspects (the 4 C’s) of the diamond. Cut is also the most difficult aspect to grade. Diamonds are small and the clear edges are hard to see and measure so...
Jewelers do not have to be licensed by the FTC in order to sell diamonds, or have any license at all for that matter. Anyone can sell diamonds if they want to. So, why wouldn’t you just buy a diamond from one of those people? Many of these sellers don’t know any more...