color ratings of powder color diamond

Powder color diamond always be all seen by the expert as the delicacy.About 20 in the last yearses, because the Australia mines the cover Er( argyl) mineral mountain, the powder color diamond just can mine, process to become available in the market as usual, but the amount is still limited.戒指戴法含义大全

The powder color diamond includes:The powder color that the shallow purple color adjusts-Powder color-The powder color that the Jie yellow adjusts.The black diamond needs a research to the reason of the color, there is research thinking is because the diamond crystal blemish results in of with dark brown( brown) diamond of to the color has consistent reason.The research still points out:The powder color diamond includes ⅰ type and ⅱ type.1490 powder colors of the research measurement diamond in, ⅰ type powder color the diamond is 1166, ⅱ type powder color the diamond only has 324, is also the comparison that says the powder color diamond in the ⅰ type's diamond big, but ⅱ type the powder color diamond contain small comparison in the middle of the diamond.But the research also discovers, ⅱ type powder color in the middle of the diamond weight greatly and mostly, and ⅰ type powder color diamond in then the weight is also the powder color that says diamond smallly and mostly don't just not have something to do with the type of diamond and return to have something to do with the size of its weight.The variety ratio of different type powder color diamond powder color is also different.The color ratings of American gia powder color diamond is:Weak powder color( faint) very shallow powder color( verylight) shallow powder color( light) more shallow powder color( fancylight) normal powder color( fanci) deeper powder color( facyintens) deep powder color( fancydeep) fresh bright powder color( fancyvivid) the powder color drill of the research discover, the powder color studied diamond in nearly a 2 samples all have a color to take to suggest, among them ⅰ type powder color the color of the diamond take to show more than 65% not, ⅱ type powder color the diamond only have 12% to have a color to take out now.transfer love

Authenticate powder color diamond, it how clean degree is almost unimportant, this with authenticate an evaluation totally different without color diamond's requesting.But the result confirmation of the powder color diamond consultation:68% powder color diamond clean degrees are above in the vs, all sample tests have the powder color of the vs clean degree the diamond only have 51% as a result.The powder color diamond is under the purple light irradiation( no matter a long wave still a short-wave) great majority all have no or hardly show a fluorescence effect.The powder color diamond is in the process of incising to throw light in the color can take place variety.