Diamond Identification

We saw many naked drilling method to identify the authenticity of many of his friends will have questions, then when I went to jewelry made of the time, what can guarantee that it is the diamond I had chosen it? OK, that is what we considere...

1. On the diamond certificate in the "Characteristics of inclusion in a feature" in the project. When diamonds VS2-level time, Characteristics of inclusion in a feature for the "Feather (Feather crack)", a diamond when the ultrasonic cleanin...

1.GIA (Gemological Institute of America) 2.HRD (Belgium Diamond High-Level Council) 3.IGI (Belgium Jewelry Institute) 4.EGL (European Gemological Institute) 5.AGS (American Gemological Society) to the Americas and Europe GIA HRD is best know...

1, glass diamond Glass ground into the fake diamond is easy to distinguish because of its low refractive index, not really the kind of flashing colored diamond light, a little experience, who see the answer. In addition, the available white...

Diamond Diamond Name: Diamond chemical composition: C component segments: C ≈ 99.95% N...

Diamond is a crystalline mineral, and graphite, are both from the nature of the carbon (chemical element C) composition. In all the natural minerals, diamonds have the highest hardness, while diamond is hard, but because of its brittleness,...

The value of diamonds is determined by the four C word diamond, diamond appraisal certificate was called the fifth diamond C word (CERTIFICATE). GIA Diamond Certificate - the worlds most authoritative one diamond grading certificate. GIA (U....