Diamond cutting grade classification (diamond cutting grade classification rules)

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List of contents for this article:

• 1、How to grade diamond cutting?
• 2、How many levels are there in diamond cutting?
• 3、There are several levels of diamond cutting

How to grade diamond cutting?

VERY GOOD About 15% of diamonds fall into this level, and the light reflection effect is close to the ideal cutting. However, due to slight deviations in the cutting ratio or symmetry, the price is relatively close to the people. Good cutting (GOOD) accounts for about 25%, which can reflect most of the light, but the fire color and brightness are slightly weaker than the first two levels, making it suitable for consumers with limited budgets but pursuing cost performance.

Diamond cutting ratios are graded as follows: Table width ratio General level: Table width ratio is less than or equal to 50 or greater than or equal to 71. Better rating: stand width ratio between 51 and 52 or 67 and 70. Very good rating: platform width ratio between 53 and 66. Crown height ratio general level: Crown height ratio is less than or equal to 5 or greater than or equal to 15. Better rating: Crown height ratio between 9 and 5 or 15 and 18. Very good rating: crown to height ratio between 11 and 16.

The diamond cutting level is mainly comprehensively evaluated through three aspects: cutting ratio, polishing and symmetry. The specific grading conditions are as follows: Cutting level classification standard Ideal cutting (EXCELLENT): Only 3% of first-class high-quality diamonds can meet this standard. This cutting allows the diamond to reflect almost all incoming light, presenting elegant and outstanding optical effects, which is the top level of cutting.

How many levels are there in diamond cutting?

Diamond cutting is divided into 5 levels: perfect, very good, good, average, and poor.

Diamond cutting is mainly divided into five levels: Excellent cutting, Very Good cutting, Fair cutting and Poor cutting. Excellent: This is the highest level of diamond cutting, which means that the diamond can reflect all light entering its interior, showing the best fire color and flash effects.

Diamond cutting is divided into five levels: EX, VG, GD, F, and P. The following is a specific description of each level: EX: Perfect Cutting. The cutting of diamonds is very precise and the lines are smooth, which can maximize the fire and flash of the diamond. VG: Very good cutting. The cutting quality of diamonds is also very high. Although it is slightly inferior to EX level, it can still present very beautiful fire color and flash effects. GD: Good cutting.

Diamond cutting is divided into five levels: EX, VG, GD, F, and P. The following is a detailed introduction to the diamond cutting level: EX level: Perfect cut diamonds, which is the highest level in diamond cutting. This level of diamonds has superb cutting craftsmanship and smooth lines, which can maximize the fire and flash of the diamond. VG level: means very good cutting.

There are several levels of diamond cutting

Diamond cutting is divided into 5 levels: perfect, very good, good, average, and poor.

Cut level classification: It is divided into 5 levels from high to low, which directly affects the fire color and brightness of the diamond: EXCELLENT (EX, Ideal Cut): The light reflection is almost perfect and the fire color is extremely strong. VERY GOOD (VG, very good cutting): Good light reflection and strong fire color. GOOD (G, good cutting): Good light reflection and moderate fire color. FAIR (F, general cutting): Weak light reflection and insufficient fire color.

Diamond cutting can be divided into five levels and nine famous types: Five levels: Ideal cutting: A standard that only 3% of first-class high-quality diamonds can meet, reflecting almost all light entering the diamond. Very good cutting: About 15% of diamond cuts fall into this level, and the reflection effect is close to standard cut, but the price is slightly higher. Good cutting: About 25% of the diamond cutting level can reflect most of the light entering the interior of the diamond, and the price is cheaper than VG grade.

In addition, when understanding the level of diamond cutting, you also need to pay attention to distinguishing the cutting and shape of the diamond. The shape of a diamond refers to the outline shape that people see when its face faces up, while the cutting of a diamond refers to the arrangement of the diamond facets. The level of diamond cutting depends on the interaction between its facets and light.