Choose diamond wedding diamond ring need to know what knowledge? Get married, of course, want to choose a unique colorful diamond ring as a two couple witness the most meaningful. But colorful and common diamond is a little difference, let's look at choose diamond wedding diamond ring should pay attention to what! Take precautions against 'noise bad diamond' change 'high-quality colored diamonds' that need consumer attention, there are a number of unscrupulous businessmen in order to get maximum benefit, using color diamond valuable facts and most consumers know about colored diamonds, shoddy, unexpectedly will get married diamond all sorts of color of buddhist monastic discipline level is very low, implied the yellowing of white diamond impurities as yellow color diamond sales! And these diamond wholesale price is much cheaper than white diamond at the same level. Remember! Yellow diamonds and the low level of yellow white diamonds are two concepts, completely false canary often show dark yellow color, and color is very shallow, if have if have no, and send out the real canary is bright yellow or close to the golden yellow. Send out real canary is bright yellow or close to the golden yellow artificial 'additive' on the market a lot of so-called 'diamond' actually is not a real diamond, but late radiation 'artificial' or processed products! Undesirable businessman simulated natural environment to change color diamonds. The most common way is to use radiation way which changes the color of the diamond, diamond by radiation into different depth and very stable blue or green, if under proper temperature reheating the fake diamond, even make the color pink, orange, yellow, brown, etc. In addition to the 'artificial radiation', another way is to surface coating. On the diamond plating bright color film but look very uncomfortable. In microscopic magnifying glass observation, will find been plated film of diamond with granular structure, natural diamond is single crystal surface, won't have this kind of phenomenon. Authoritative appraisal is very important to buy wedding ring, the choice of appraisal institution is very important to choose color diamonds. The American college of jewelry ( 吉尔) Is the most authoritative identification of colorful world. The European jewelry laboratory ( EGL) And Belgian diamond high-level council ( HRD) , the United States gemological institute ( AGS) And the world institute of gem ( IGI) These are authoritative authentication institutions, almost a third more world diamond are these laboratory appraisal. Identify undesirable businessman these tricks 'camouflage', and properly understand the basic knowledge of some of the diamond, combined with the appraisal certificate of authority, mastered the common sense of choose get married diamond ring, is not afraid to spend money for not happy again!