The best diamond cutter (what is the best diamond cutter)

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List of contents for this article:

• 1、Diamond cut ratio, what kind of diamond is the most dazzling?
• 2、What are the types of diamond cutting levels?
• 3、Introduction to diamond cutting grades "EX","VG" and "G"
• 4、What are the types of diamond cutting techniques?
• 5、Is there a big difference between 3EX and 2EX diamond cutting? Can I buy 2ex cut grade diamonds?

Diamond cut ratio, what kind of diamond is the most dazzling?

Diamonds with a full depth ratio of 61%-65% and a moderate waist thickness (3%-5%) are the most brilliant. The specific analysis is as follows: Table Percentage: refers to the percentage of diamond table width to average diameter, and is a key parameter affecting fire color.

EX cutting: The better the cutting, the more brilliant the diamond is. Among them, 3EX cutting (that is, the cutting ratio, polishing degree and symmetry are all excellent) is the best choice.

Diamond cutting indicators mainly include the following five: Depth ratio (Depth) The depth ratio is the percentage of the diamond height and the relative average waist diameter. This ratio is crucial to the optical effect of the diamond. The optimal ratio range is 53% to 60%, and diamonds in this range usually show better fire color and brightness.

What are the types of diamond cutting levels?

1. Diamond cutting levels are mainly divided into five categories: EXCELLENT This is the highest level of diamond cutting, accounting for only about 3% of all diamonds.

2. Diamond cutting is divided into five levels, namely Excellent cutting, Very Good cutting, Good cutting, Fair cutting and Poor cutting. EXCELLENT: This is the highest quality diamond cutting level, and only about 3% of diamonds meet this standard. This cutting allows the diamond to reflect almost all the light entering the diamond, showing an elegant and outstanding brilliance.

3. Diamond cutting levels are divided into 5 levels, namely: Excellent, Very Good, Good, Fair, and Poor. The following is a detailed explanation of the three criteria for judging diamond cutting levels: Definition of cutting ratio: Cutting ratio refers to the proportional relationship between the size of each part of the diamond relative to the overall size, including table width ratio, pavilion depth ratio, etc.

4. After we choose the weight of the diamond, the second thing is to choose the diamond cutting process. The cutting process is related to the color of the diamond. Good cutting process can make the diamond shine more and have a perfect luster. Diamond cutting is also divided into several levels, from high to low: EX, VG, G, and P. We prefer the EX Perfect Level cut. If it is a large carat diamond, choose the EX-VG level.

Introduction to diamond cutting grades "EX","VG" and "G"

EXCELLENT is the highest level in the IGI International Gemological Institute's cutting classification. Only 3% of first-class high-quality diamonds can meet this standard;VG is the next highest level, accounting for about 15% of the total number of diamonds. In China's national inspection standards, VG corresponds to "very good" and G corresponds to "good". No EX level is set.

Diamond cutting is an important factor in judging the quality of a diamond. A piece of rough stone must go through skilled craftsmen to become a commodity. During the diamond processing process, certain angles and proportions must be followed, including table width ratio, crown height ratio, waist thickness ratio, pavilion depth ratio, bottom-tip ratio, full depth ratio, crown angle, pavilion angle, diameter, and height.

Price: Compared with "EX" and "VG" cutters,"G" cutters are usually cheaper and are the cost-effective choice for many consumers when choosing diamonds. To sum up, the "EX","VG", and "G" cutting of diamonds represent three different cutting levels: excellent, very good and good respectively. Consumers can choose the right cutting level according to their own budget and needs.

The main differences between diamond cutting EX and VG are reflected in the level definition, light reflection effect, proportion of diamonds that meet the standard, price and importance in the 4C standard. The details are as follows: The level definition EX is the abbreviation of EXCELLENT, which means perfect cutting. It is the higher level of the IGI International Gemological Academy cutting level and represents a standard that only 3% of first-class high-quality diamonds can meet.

EX level means Excellent ideal cutting, which means that the diamond cutting level belongs to perfect cutting and represents a standard that only 3% of first-class high-quality diamonds can achieve. EX cut diamonds reflect almost all the light entering the diamond, so they can give the diamond the most beautiful luster, an elegant and outstanding cut.

What are the types of diamond cutting techniques?

There are five main cutting methods for diamonds: Ideal cutting method: Characteristics: Only 3% of diamonds, which is a standard that can only be achieved by first-class and high-quality diamonds. Effect: The diamond reflects almost all light entering the diamond, presenting an almost perfect shape. Very good cutting: Characteristics: Represents approximately 15% of diamond cutting. Effect: Can cause the diamond to reflect a light similar to standard grade cutting. Good cutting: Characteristics: Represents approximately 25% of diamond cutting.

Exquisite cutting level: 3EX: Represents that the cutting ratio, symmetry and polishing of diamonds have reached EX level. It is the most respected diamond cutting level on the market, also known as "perfect cutting". This cut diamond not only has good fire color, but also very shiny. 2EX: It means that two of the cutting ratio, symmetry and polishing of the diamond have reached EX level. Although it is also a relatively excellent cut, compared with 3EX, it has one less EX-level performance.

The roundness, depth, width and uniformity of the facets of a diamond cut all determine the brightness of a diamond. The most authoritative organization for diamond cutting evaluation in the world is the International Gemological Academy IGI. Ideal cut: Represents the standard that only 3% of first-class high-quality diamonds can achieve. This cut allows the diamond to reflect almost all the light entering the diamond. It is an elegant and outstanding cut.

Is there a big difference between 3EX and 2EX diamond cutting? Can I buy 2ex cut grade diamonds?

1. There is a big difference between 3EX and 2EX diamond cutting, mainly reflected in the superb cutting and price, but diamonds cut by 2EX are still worth purchasing. Exquisite cutting level: 3EX: Represents that the cutting ratio, symmetry and polishing of diamonds have reached EX level. It is the most respected diamond cutting level on the market, also known as "perfect cutting". This cut diamond not only has good fire color, but also very shiny.

2. Due to the overall excellent performance of 3EX diamonds in terms of cutting, their prices are usually higher than 2EX diamonds. Cutting is one of the key factors affecting the fire color and brilliance of diamonds, so 3EX diamonds tend to have better visual effects and the price is correspondingly higher. Applicable scenarios and selection suggestions: 2EX: Generally used for cutting grade ratings of shaped diamonds (such as heart shapes, pear shapes, etc.).

3. Since 3EX cutting reaches the highest level in all three indicators, its production difficulty and process requirements are higher, the price is usually more expensive than 2EX cutting diamond rings of the same quality. Visual effects: Although on the surface, the difference between 2EX and 3EX diamond rings may not be large, a change in one factor in the diamond may affect the overall effect of the diamond. Diamond rings cut by 3EX are usually superior in light refraction, fire color performance, etc., showing a more dazzling effect.

4. There is a big difference between 2ex and 3ex diamonds. The following is a detailed explanation of the difference between diamond 2ex and 3ex: Definition and standard 2EX: Diamond ring 2EX means that the symmetry and polishing degree of the diamond can reach the Ex (Excellent) level. This usually means that diamonds perform very well in both aspects, but it does not cover all aspects of cutting.