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Ruby is a variety of corundum in red color. This gemstone is rarer as the demand for this red gem keeps its price constantly high. Rubies are available in small sizes also which are used in cluster rings. Ruby is a highly expensive colored gemstone. The prices of per carat gemstone are rising day by day. 

Significance of color in Ruby:

Ruby’s value mainly depends on its color. The most elegant ruby comprises a pure vibrant red and sometimes slightly purplish red color. The color of it should be neither too dark nor too light if you are considering the finest quality. It is said that dark ruby has a negative effect on the stone’s brightness. On the other hand, if the color is too light, the stone may be considered a pink sapphire.

 

Rubies actually originated from aluminum oxide. They are available in different shades of color which are determined by a range of elements like chromic oxide offers the red color to ruby and a pink-colored ruby develops due to the availability of chromium and iron. If you talk about the intense shade of red ruby, it is because of the presence of high levels of titanium dioxide. There are different colors of Ruby stone, some of them are discussed below: 

Black star ruby:

Like other sapphires, it also relates to a group of minerals called corundum that is a version of aluminum oxide crystals that is considered the most popular element after diamond. It is available with the hardness nine on the Mohs’ scale.  Except red, all colors of corundum are known as sapphires whereas red corundum is called ruby. 

Glass-filled ruby

It is also made up of original gemstone i.e corundum. Later on, it is filled with lead glass to increase its transparency, sale, and durability. That’s why it is referred to as glass-filled Ruby.  

Star Ruby (Surya Kant Manik):

Star ruby is a unique and variety of natural ruby gemstones that manifests a star-like effect known as Asterism. The shape will be more visible when it is seen under a single light source. It is known as a powerful healing gemstone that is recommended to reduce stress and obtain inner peace. Moreover, it is also beneficial for maintaining physical health. It is the rarest ruby and the most valuable in the world. 

Pink ruby:

Pink Rubies are used in specific areas of the world. If you consider the areas outside of the United States, any version of corundum that ranges from pink to red color is nothing other than a ruby.

Natural ruby stone can be found in Afghanistan, India, Mozambique, and Tajikistan through mining. 

In short, if you want the cheapest rubies in the world, you can buy them in Bangkok. Other than that, you can research online to find out the different shades of color and prices. While doing research, you will notice that Thailand dealers have most of the stock of rubies compared to any other country.  



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