Yesterday a friend took a diamond to me, try my eyesight to see if I can see that the diamond is good or bad or true and false order to make themselves not losing face, I pretended to seriously-like look at the diamondin fact, I own a little also do not know diamonds, before repeatedly in front of friends say they have seen the diamond, identify the number of fake diamonds, it is all lies, but this time I can not directly say I said before is false, so I have been filled look at, coincidentally, a friend inattentive GIA certificate fell to the ground, that is, his careless, let me know the genuineness and quality of the diamond, imagine that I see theGIA certificate, that this certainly was a friend to expose.