Diamond table (how to view the size of diamond table)

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List of contents for this article:

• 1、What is the most perfect ratio of a diamond table? What does a diamond table mean?
• 2、Is it better to have a big or small diamond table? What are the disadvantages of being too big and too small?
• 3、What is the diamond table? Does the diamond's countertop affect the value of the diamond?

What is the most perfect ratio of a diamond table? What does a diamond table mean?

1. The most perfect range of diamond table ratio is 54%-65%. Diamond table refers to the top planar part of the diamond. The following is a detailed explanation of these two issues. The most perfect range of diamond table ratio: Diamond table ratio, that is, the ratio of table width to the average diameter of the diamond, has a certain impact on the appearance of the diamond. Although the influence of table size is less than that of crown and base corners, choosing a suitable table ratio is still important.

2. The most perfect ratio range for diamond countertops is generally between 53% and 65%, but the details still need to be decided based on personal preferences and diamond size. Diamond table refers to the top surface of the diamond with a large area. Specific instructions on the proportion of diamond countertops: 53% table width ratio: This is a relatively common ratio that can balance the brightness and fire color of the diamond.

3. The most perfect range of diamond table ratio is 54%-65%. Diamond table refers to the top large-area plane of the diamond. The following is a detailed explanation of the diamond table: Definition of a diamond table. A diamond table is a large plane at the top of the diamond, also known as a table. Among common brilliantcut diamonds, the table is the most prominent part of the diamond, and its size directly affects the reflection and refraction effect of the diamond on light.

4. If the table ratio is higher than 66% or 62%, the brightness of the diamond will increase, but the fire color will decrease. If the table ratio is below the above range, the fire color of the diamond will be enhanced, but the brightness will be reduced. Recommendation for EX cutting diamonds: Diamond cutting that achieves a perfect table ratio is usually at EX level. Therefore, when selecting diamonds, you can first choose EX-cut diamonds. These diamonds can basically achieve the perfect table ratio.

5. The proportion of diamond countertops has an important impact on the fire color of diamonds. The table ratio, which is the ratio of the diamond table width to the average waist diameter, is one of the key indicators for evaluating the quality of diamond cutting. On the GIA certificate, the table ratio is expressed as a percentage, and the result is taken as an integer and rounded off after the decimal point. The size of the table directly affects the brightness and fire color of the diamond.

Is it better to have a big or small diamond table? What are the disadvantages of being too big and too small?

1. Poor performance of fire color: The countertop is too large, the light concentration effect of the diamond surface is poor, and the pavilion that is too shallow is difficult to reflect enough fire color. In serious cases, the bottom leakage problem may occur, that is, the bottom of the diamond looks incomplete. Slightly lower value: If the diamond size, quality and other conditions are the same, the value of a diamond with a large table and exceeding the normal cutting ratio will be slightly lower than that of a diamond with a normal cutting ratio.

2. The countertop is too large: It may lead to poor focusing effect on the diamond surface. It is difficult for the pavilion that is too shallow to reflect enough fire color. In serious cases, the bottom leakage problem may occur, that is, the bottom of the diamond looks incomplete. The countertop is too small: Although the fire color is good, the brightness will be relatively low, which will affect the overall appearance of the diamond. Ideal diamond table size: For an ideal diamond, the table size should have a reasonable ratio to the depth.

3. Secondly, the countertop is often too large at the expense of the thickness of the diamond. A pavilion that is too shallow (that is, the bottom part of the diamond) makes it difficult to effectively refract light, which affects the presentation of fire colors. In extreme cases, this may even lead to the problem of "leaking bottom" in the diamond, that is, the bottom of the diamond looks like a piece is missing, affecting the overall aesthetics. Finally, an ideal diamond should have a reasonable ratio between the size of the table and the depth.

What is the diamond table? Does the diamond's countertop affect the value of the diamond?

The table of a diamond refers to the regular octagonal plane at the top of a standard round diamond. It is an important part of diamond cutting, and the size and proportion of the table have a significant impact on the value of the diamond. The details are as follows: Definition and location of diamond table The table of diamond is the topmost plane of the standard Brilliant Cut, with a regular octagonal structure. Its width is measured by the distance from the center, and the average of the four values is the average diameter of the table.

The size of the table has a certain impact on the aesthetics of the diamond. A platform width ratio of around 53% is generally considered ideal, which can not only ensure the fire color and light effect of the diamond, but also prevent the diamond from appearing too dark or having a fish scale effect (that is, the light is refracted too close to the center). A platform width ratio between 54% and 65% is generally considered an acceptable range, but specific preferences may vary depending on personal aesthetics.

The diamond table refers to the top planar part of the diamond, which is the main surface of the diamond after being cut.