Knowledge: What does the diamond cut grade 3EX mean?

When consumers buy diamonds, they will hear merchants introduce us to 3EX diamonds. You may simply know that it refers to diamond cut. So what is the perfect diamond cut 3EX? Is the 3EX cut the best? Diamond perfect cut 3EX refers to: SYMMETRY (symmetry) is also when consumers buy diamonds, they will hear merchants introduce 3EX diamonds to us, you may simply know that it refers to diamond cut, so what is the perfect diamond cut 3EX? 3EX cut Is it the best? 　　　　 Diamond Perfect Cut 3EX means: SYMMETRY (symmetry) is also EXCELLENT; diamond cutting CUT is EXCELLENT (excellent); POLISH (polishing) is also EXCELLENT; the combination of these three is 3EX, Of course, the synthesis of 3EX should be the perfect cut, and the diamond fire it shows is the best.　　　　 symmetry: the horizontal symmetry around the center point of each part obtained after diamond cutting and polishing, that is, the arrangement of the cut surfaces and the mutual angle. The same as the ratio is an important indicator of the second evaluation. If a diamond's turning and proportions are good, the symmetrical cut will make the sparkle and fire more intense. The evaluation of symmetry in foreign certificates is more detailed, from high to low, ideal (ID), excellent (EX), very good (VG), fair (F), poor (P).　　　　Cutting: The angle and proportion of the cut by an experienced technician in the process of converting the raw material of the diamond into a polished diamond. Including platform width ratio, crown height ratio, waist thickness ratio, pavilion depth ratio, base to tip ratio, total depth ratio, crown angle, pavilion angle, diameter, height, etc. The ranks from good to second are excellent (EX), very good (VG), fair (F), poor (P).　　　　 Polishness: refers to the diffuse reflection of light on the uneven surface of the diamond, describing the smoothness of the diamond surface. The characteristic of polishing is that it is located on the surface and there is no obvious penetration. Use a 10X magnifying glass to observe. Polishing is classified into excellent (EX), very good (VG), fair (F), poor (P) on the grading standard. Severe polishing will not only greatly reduce the brightness of the diamond, but also affect the transparency of the diamond. The quality of polishing is mainly related to the cutting and grinding process of the diamond, the skill and meticulousness of the cutter.　　　　 So 3EX means that the cutting, polishing, and symmetry have reached excellent (EX). This is the top diamond cut, representing the standard that only 3% of first-class high-quality diamonds can achieve. This cut makes the diamond almost reflect all the light entering the diamond, fully showing the diamond's fire. An elegant and outstanding cut. Diamond perfect cut diagram: 　　　　 The above is the author's summary of diamond cutting information for you. The information comes from the Internet. If there is anything wrong, please understand. If you need jewelry processing, setting, and customization, please visit the official website of jewelry setting, jewelry setting Will serve you wholeheartedly!