2011年1月25日星期二

For professionals

If you see a diamond, it's the first thing that comes to mind is the beauty of the stone. Lights of the diamond, and you can not help but play is invaluable. But to the naked eye appeal, it is difficult to determine whether a diamond is worth the asking price. Here you can have some of the characteristics of diamonds that will help better define the diamond value.

For professionals, diamonds are measured by four C's: color, pearl necklace, clarity, carat and cut. These attributes determine if the stone is more or less valuable.

Diamonds may have a color? Most diamonds to be colorless, but with careful observation of (or with a magnifying glass), diamond, perhaps even color. Some diamonds may create the impression that they are yellow and shades of gray or brown. In most cases, if the color of diamond, it is very quiet. may well be for a diamond, the color should be considered "colorless."

According to the Gemological Institute of America (GIA), diamonds are valued in the following categories (in order of highest): Clear, almost colorless, pale yellow, light yellow and fantasy. Diamonds are still a type of paint, such as D, E and F steps to colorless.

In addition to color, clarity, largely on the quality of diamonds. Clarity of diamonds on the purity of a diamond. In other words, a diamond with perfect clarity diamond is free from imperfection. The report examines the clarity of jewelry items, or clear evidence of inclusions. inclusions may contain clear spots, dark spots, or crystals. Proposals for the diamond, the greater the clarity of diamonds, which affect the cost.

There are different levels of clarity "clarity" scale is known. Areas to be included at the highest level of clarity "F" for flawless "I3" # 3 contain a complete list at the Gemological Institute of America (www.gia.org).

The size of the symmetry of the diamond a diamond. For a diamond that is cut, the symmetry will shine. As you can see a diamond, you can see how shiny stone on the basis of surveys and to reduce the reflection of light. Jewelers, the size of the diamond, by studying the properties of the crown (top) and pavilion (bottom). Table star face, the rim of information by the upper belt of Lower Austria border, bound and Pavilion Culet: These sections are divided into sections called.

There are two ways to determine the classification to determine the percentage of the section table and depth percentages. Table percentage is divided by far the long table in the middle lane. Depth percentage of significantly diamond height divided by width. These indicators are that the proportionality of a diamond or shine.

Carat weight of diamond. In fact, akoya pearl jewelry, the measure of carats, which were often open to the public. It is considered that the larger the more carat weight, the higher the cost of diamond. Karat to units of 100 points were divided. Thus, the diamond is 100 points 1-carat diamond.

The four Cs are not the final steps, the diamond will determine its value. However, the four most important qualities that a jeweler or a person must actually determine the diamond will be interesting.

Orignal From: For professionals

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