Now online purchase diamond is the trend of The Times, engulfing the entire jewelry market. So, online purchase diamond isn't just reassuring, how to identify the true and false of the diamond? Identify the true and false of diamond, diamond is we have to master the necessary knowledge consumption. Do not master diamond identification, but at least should be a little bit to identify the diamond tips. Eternal classic how to identify the true and false of the diamond? Identification of true and false of the diamond, it is necessary to identify according to the characteristics of the diamond. We know that the measure of a diamond quality mainly include 4 c standard, namely, weight, clarity, color and cut. The 4 c standard is founded by the GIA, is now in the world's most widely used evaluation standard of the judgment of the diamond true and false. On this basis to identify the authenticity of the diamond after the diamond in the diamond certificate, based on the 4 c standard, then decided to diamond prices. Currently the most authoritative international diamond appraisal for IGI, GIA, etc. Diamond identify true and false, simple and easy identification methods: is the need to use tools, using a magnifying glass about 10 times as auxiliary tool, do a simple observation. First with a magnifying glass observation diamond waist, if sanded waistline is most suitable for this method. Diamond because than any fake diamond hard, so you don't like fake diamond thin strips internal texture, diamond waist circumference is a granular appearance. Diamond is hard, fake diamond facets of ridge will often feel very blunt than diamonds, and diamond facets ridge will sharply, because the stiffness of the diamond, fake diamond facets of ridge will wear often appear a real diamond is not to wear. Diamond is the hardest known natural generated C material, nothing can leave a mark in the diamond, if can in diamond marks, are not real diamonds. Argue in diamonds and other similar items on the breath at the same time, if it is a diamond is its surface condensation of water mist on the water mist than other items evaporate quickly, this is because the reason for the high thermal conductivity of diamond. So the water mist will be blocks of evaporate. Diamond was observed with a magnifying glass the waist place of the present a kind of very fine grind arenaceous shape with shiny reflected light. This is the unique features of the diamond.