How to identify true bogus diamond diamond

How to identify the authenticity of a diamond? Like an expert problem well, and we only need the certificate. Ha ha, but most of the time a few tips to help you a lot of knowledge, never too old to learn, well, might as well take a look at to identify the diamond tip. Maybe helpful for you. The author summarized below 5 points,, very practical oh. ( 1) Diamond jewelry appraisal certificate cloud mask, have been grafted grafting, have copied, and with a 'group identity'. ( 2) Enchase molding of diamond is difficult to accurately measure a wide than and pavilion depth ratio, the amount of individual businessmen drilled detection loophole, generally referred to as the 'perfect, high quality' to fool consumers. ( 3) Diamond ring sign only standard English letters or Chinese pinyin, not marked in accordance with the specification name, composition, content and special craft processing, Deceives consumers do not understand the jewelry knowledge, deliberately let a person look not to understand. ( 4) Skimp on diamond ring weight portions, and the state measurement regulation, decimal carry not round diamonds, but every nine into a pusher used enchase molding, customers are hard to measure, such as 19. Eight points, or even the 19th. 7 points, 19. 6 points are marked as 20 points, etc. , but a heavy carat is hundreds of yuan less, many thousands of yuan. ( 5) Short artificially exaggerated publicity concept, make consumer is deceived. ( 6) Jewelry prices sure, raise original price then any false discount to disrupt the market, KengMeng consumers. Jewelry.