The higher diamond grades are VVS1 and VVS2, which means that the diamond is very, very slightly imperfect; VS1 and VS2, meaning the diamond is very slightly imperfect; SI-1 and SI-2, which means that the diamond is slightly imperfect.
Bonded diamonds have a buy back policy for the life of the diamond. No matter how long you have had the diamond, you can take it back to the bonded jeweler and sell it back to him or her, for a 100% refund. If a jeweler does not offer a 100% buy back guarantee, for the life of the diamond, then you should take a closer look at the diamond to see what is wrong with it.

Insuring a diamond takes a bit of thought, planning, and shopping around. Diamond insurance isn’t like purchasing car insurance. It is quite different. Depending on the state that you live in, there are basically three different types of policies that will cover diamonds, and all insurance policies that cover diamonds are considered Marine type policies.
Once a Diamond has been cut , the diamond is put into a dop, which resembles a cup with another diamond only a diamond is strong enough to smooth the edges of another diamond. Once the diamond has been cut and shaped, and had the edges smoothed in the dop, it is polished on a scaif or a diamond polishing wheel.