The cufflinks is characterized by front-line straight set

With a pen dipped in ink streaks across the diamond, a smooth continuous line will be left on the real diamond cufflinks. Improper size: gem requirements for particle size, length, width error of no more than 0.05 MM, more than compared to the size, improper, also known as the dimensions are not allowed. Special requirements of an exception, and some general cargo error of less than 0.1MM can.  Edge shovel: the gem to stay side (waist) should be clearly visible, uniform thickness, the whole side of a certain edge worn away is the shovel edge, borderless as sharp like a blade. Generally turn the stone is not correct or ring side over the formation. Crooked tip: gem culet should be living in a central location deviation is crooked tip, generally turn the stone is not correct, the formation of edge thick edge thin. The cufflinks is characterized by front-line straight set.
Mongolia: The gem was King Kong, the sub-adamantine luster, all or part of the plate surface is shiny enough, was the mist, gray is Mongolia. Generally because the polish is not good cause. Sand circles: the transfer of line or the board which the board and the board have a line of polished, white line, brown line, that is, sand circles. Caused due polished less than. Sand holes: among the board, dot, black, brown, white, clean and polish not formed, also known as pitting. leaked: gem requirements after again reflected from the crown of the incoming light in the pavilion all from crowns reflected, if the light is refracted out at the pavilion rather than the reflection back from the crown called leaky layman's terms is light in The pavilion miss. Formed because the pavilion angle is too small, the pavilion is not high enough. Counterfeit cufflinks are a small dot in the composition of the lines left.
Black: Principles and leaked, but different manifestations, is because the pavilion angle is too large, the pavilion is too high and the formation of. Thick edge: gem requirements thick edge of 2% of the particle size, in theory, more than 2% is the thick side, but in practice the upper thickness is generally about 2%, save one or two lines side, significantly more than two lines compared with the thick edge. millstone to stay side ring edge improper formation. These cufflinks should be observed with a magnifying glass.