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SOME FACTS ABOUT RUBY THAT YOU MAY NOT KNOW

SOME FACTS ABOUT RUBY THAT YOU MAY NOT KNOW

Ruby stands for love, passion, bravery, and feeling. For many centuries, it has been considered as “the king” of gemstones. They believed that wearing a “luxurious” red would bring  luckiness for the owner. Ruby was highly appreciated by kings and emperors throughout the ages. Until this day, ruby is the most valuable colored gemstone.

 

Rubies have a hardness of 9.0 on the Mohs scale of mineral hardness. Ruby stone ranges in color from dark pink to blood red. The name "ruby" comes from "rubeus", the Latin for red. Ruby’s quality is determined by four factors: carat, color, clarity, and cut.

 

-   Color

 

Color is the most important factor influencing Ruby's value. The best ruby stones have a pure red, aglow or reddish-purple. The reddest ruby ​​with the highest value is known as pigeon blood red. In addition, the highest quality ruby ​​stones always have high color saturation and vividness.

 

-    Clarity

 

Ruby's value also depends on the degree of visible purity. If ruby ​​contains impurities, they will decrease transparency or brightness and significantly reduce the value of the ruby. These typical properties consist of thin mineral impurities called rutile. The presence of rutile causes the light to disperse on surfaces more harmonious. This intensifies softness to the color.

 

-   Cut

 

There are several factors that impact the ruby’s market cutting. The crystal shape of ruby ​​determines its suitability for certain cuts. To accommodate these shapes, the most common ruby shapes are oval and rectangular with round crowns and brilliant cut triangular. Besides, round, triangular, emerald, pear, and cherry blossoms are also available, but these shapes are rarely larger in size and of higher quality.

 

-   Carat

High quality rubies per carat are very rare. The cost per carat increases significantly as the size increases.

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