The perfect, collectible carat diamond, the conditions must meet the following four points (this article takes the standard round diamond cut diamond as an example): 1, the quality must be above 1.00 carats, the price of diamonds above 1.00 carats and the price of diamonds of 0.99 are different, although the size is a little bit worse, but the price is exactly doubled. Under normal circumstances, the value of a diamond is directly proportional to the square of its mass. That is: the price of the diamond = the square of the carat multiplied by the base price of the carat. 2. The color is at least H color or more. The best color is D color, the whiter the color, the more flashing the light, the more expensive the price. The color of the diamond below the H color is light yellow, and if it is lower than the I color, the color is faint. Buying loose diamonds is as much as possible, and you can buy whiter diamonds as much as you can. 3. The clarity is at least VS level. Because the clarity of VS is obvious invisible to the naked eye, it will not seriously affect the brilliance of the diamond. This kind of carat diamond can reflect the feeling of luxury, so the karaoke VS above level carat diamond has the collection value. 4, cut at least above VearyGood. More than 50 points of diamonds generally require more than the cut, but the bigger the diamond, the more obvious the cut, so the cut of the carat diamond is not satisfied with VearyGood, try to have an Excellent, of course, there are three Excellent better, Cut, polished and proportioned are perfect. Print Fabric,Pearl Print Fabric,Polyester Pearl Print Fabric,Pearl Print Microfiber Fabric Changxing Xingang Textile Co.,Ltd , https://www.xingangtextile.com