Ruby clarity rating
The ruby ​​body usually contains a certain amount of inclusions. The size, quantity, vividness and position of the inclusions have different effects on the value of the ruby. Under the naked eye, the clarity level of the ruby ​​is divided into five levels. Corresponding to the five clarity levels of Ruby!
First level
The ruby ​​is blood red in color, transparent and has no inclusions. It is extremely difficult to see the contents of the gem inside the naked eye.
Secondary
The color of the ruby ​​is between the pigeon blood red and the rose red, and the transparency is less enveloping. Under the naked eye, it is difficult to see the inside of the gemstone, which is generally colorless or other minerals similar in color to the gemstone.
The third grade, ruby ​​is rose red, transparent and less inclusion. The internal contents of the gemstone are visible under the naked eye, and are generally larger, colorless or other minerals similar in color to the gemstone.
Level 4, ruby ​​close to rose red, transparent. Under the naked eye, it is easy to see the internal contents of the gemstone, generally smaller cracks or other minerals with different colors than gemstones.
Five levels
It is easy to see the internal contents of the gemstone under the naked eye. Generally, large cracks or larger minerals appear in various places inside the gemstone.
The transparency of rubies is generally divided into five levels: transparent, translucent, translucent, sub-transparent, and opaque.
1. Transparency allows most of the light to pass through, and when viewed behind the gemstone, you can see clear outlines and details.
2. Sub-transparency allows more light to pass through. When observing objects behind it through a gemstone, the outline of the object can be seen, but the details are blurred.
3. Translucency allows part of the light to pass through. When observing the object behind it through the gemstone, only the outline shadow of the object can be seen and no details can be seen.
4. Sub-transparent A small amount of light can be transmitted only at the edges and corners of the gemstone, but the object behind it cannot be seen through the gemstone.
5. Opaque basically does not allow light to pass through, and the light is totally absorbed or reflected by the object. The color standard refers to the color of the gemstone under natural light.
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