How does know the diamond good and bad

The diamond is a kind of pure carbon crystallize body, it are all together plain and abnormal shape body of the carbons chemical elements with graphites, the diamond is the octahedron much, the cube is seldom seen.At first the stone outward appearance has the water mostly, having the organization close, the degree of hardness is big, folding the light rate strong, don't conduct electricity, transmit heat easily, bear the strong and sour and strong alkali, the chemistry property is very stable to wait the characteristics.The diamond is one of the tallest minerals in degree of hardness in the world, is ten classes of surname of Mor , the ability squeezes highly, afraid daunt.Its color can is divided into the transparent body, translucent body and opaque three of body again. How to measure the good and bad of the diamond?Should have enough understanding to its basic knowledge first, the quality of the judgment diamond, should from the pure degree of the color, the crystallize body of the diamond and build the basis that the work three aspects conduct and actions authenticates the diamond quantity.Judging from the color quantity is to go to pass important, generally speaking, diamond with have no the color is transparent, pure such as water is the best.Usually the diamond takes color more, such as have no color transparent win to take to order light of pure blue, is a really fine color element, call" the water fire color". The diamond of China with have no color, thin Huang, shallow brown is lord, also is green, ash, orange and see the green spot.As a result, the original material arrived to process from the diamond comprehensive to judge the jewellery good and bad, the color of the diamond jewellery is more white more good, crystallize the body is a transparent purity of good, build the work is a new work rules of good.Whereas, color Huang or tea, crystallize the body to contain the miscellaneous quality, build the work to is an old work to behave badly bad. Change an angle speak, crystallizing the degree highly, completely transparently, the without blemish, the grain is more big more goodly, the most valuable diamond species into" the white drill", namely more than 99" the fire of water drill"," red drill"," the pink drill"," blue drill"," the gold drill"," black drill"...etc. of content.These good species, the weight are the expensive diamonds above 3 carats, the general request should be no less than 0.25 carats.The crystal is more big more precious, if the weight which is above 100 carats be the of world drilled.Because of the diamond price expensive, imitation article or pass various artificial technique to cover up by attain the weakness and jack up the business of the grade to usually meet of, so authenticate true false and identify its quantity grade strictly is extremely important. The differentiation that diamond and glasses anticipate lie in, the glass imitates the diamond to do the work rough, sex is soft, different from edge wear away easily, wear a period of time empress, often appear degree of Cape of since the hair phenomenon, fold the light rate bad, the luster is obscure, facing to its crest bottom, the bottom heading up, putting the in hand last ability through the fingerprint.Anticipate big and parts of bottoms of machine draws the mercury, increase the reflection rate, but no matter what imitation articles it is all have no degree of hardness of diamond big.True article although through wear to wear to use with a long period of time, all will not have to rise the hair phenomenon the slightest.If conditioned words, the adoption diamond pen faces the edge in the diamond jewellery bottom up on try, can sign to break the true or false, this is most the insurance to also discriminate the way most dependablely.