can you buy a diamond with zero value because of the diamonds clarity grade

is the nydex.com a reliable and safe place to sell diamonds? what is the security and safety measures guranteed by nydex.com for the diamond that is shipped to them? is there any risk of fraudulent practice for manipulation done with the diamond that we

Cutting a rough diamond?

Most important C

What is worse for a "colorless" diamond - Yellow or Brown hues?

What is the difference between 'inclusions' and 'blemishes'?

Why does one big diamond cost more than many small diamonds that together sum up to a higher carat?

Who came up with the 4C's evaluation method? What does it have to do with diamond evaluation and grading?

Is it true that the more facets a on a diamond's surface, the more brilliance it would display?

What is a briolette cut?