How to identify the diamond true or false1

Diamond is relatively expensive jewelry, diamonds are imitations, how to identify in the process of buying diamonds of true and false? The following will introduce a few methods. In order to further ensure the authenticity of the diamond, select a comparison of business is the most important, choose the international famous brand, national brand choice, this is ordered by you. Suggest you choose in the comparison of a local businessman, that is to say in the local well-known businessman. Choose good businesses, we can't relax vigilance, and will continue to learn to identify the most basic knowledge, diamonds below appraisal teach everybody with diamonds. 1. True diamond does not have thermal conductive performance is known to all, so if you put the diamond in my arm, if the diamond is hot, so this must be a fake diamonds. 2. And that diamond dispersion is very strong, for example, the breath in your diamond, if the moisture on the diamond immediately disappears, then this diamond is true diamond, if it is a fake diamond, not so quickly disappeared. 3. In a straight line on the paper, and then put the diamond in this line, if it is a true diamond, so the line is not straight, it must be bent, if is a fake diamond, still looks is straight. 4. Understanding the stiffness of the diamond is very strong, nothing can hurt it commonly, sand paper believe that everybody is met, the friction force in the sand paper diamond, if no traces that is the true diamond, if that is a fake diamond. Above is the simplest way to identify true and false of diamonds, it's just people spread method, does not guarantee safe, when to buy diamond, regardless of the brand, with or without diamond certificate, all need to identify it. To sum up, when to buy diamond jewelry to know more, get more knowledge in this field, so it is not easy to buy fake goods