Known as the most expensive gemstones- Ruby. They are the red form of the mineral corundum and one of the hardest stone with a Mohs hardness value of 9. Best rubies originated from Burma, Madagascar, Sri Lanka, Thailand, Kenya, and Vietnam. 

Choosing a Ruby Color

The most essential aspect in judging the quality of a ruby is its color. It is must to consider the color characteristics when buying ruby

Hue: Ruby's primary color should be red. Other colors, like as orange or violet, are also part of this stone. It is worth mentioning that a secondary purple hue can highlight the red color of ruby, but which hue you choose is a matter of personal preference.

Tone: This attribute refers to how dark the gemstone's hue is. The most precious rubies have a medium darkness, which means they are not completely black.  Always choose rubies that are neither too bright nor too dark.

Saturation: The intensity of the stone's hue is referred to as color saturation. Rubies with a bright red hue are more precious than those with a less intense red tint.

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Clarity of Ruby

A ruby is expected to contain some inclusions within it. However, keep them as few as possible. Although a ruby cannot be entirely flawless, the greatest quality rubies will be eye-clean, meaning there will be no imperfections discernible to the naked eye.

The inclusions in a ruby variant known as "star ruby" turns it very beautiful. These stones are polished as cabochons and reflect light in the shape of a six-ray star - an optical phenomenon generated by a web of silk inclusions.

Rubies' Treatments and Enhancements

Many rubies on the market today have been treated to improve their color or clarity. Heat is widely used to improve the red color of rubies. The results of this form of treatment are usually permanent. Rubies are sometimes colored as well.

Another typical treatment is to fill rubies with substance that conceals imperfections and makes the stones appear more clear. They are also coated with chemicals that reduce the visibility of surface imperfections, but this layer will eventually wear off.

Whatever treatments a stone has received, one should enquire about its enhancements. It is important to enquire whether a ruby has been treated before purchasing it. It is preferable if the stone comes with a certificate stating whether or not it has been improved. In general, natural rubies with great clarity and top-quality color are more expensive.

Ruby Fakes and Synthetic Rubies

There are some gemstones that resemble ruby and can be used as substitutes. Red garnet, for example, is one of the stones that can be mistaken for ruby. 

Synthetic rubies have the same chemical structure as natural rubies. Synthetic rubies are made in a laboratory and are considered as genuine rubies. Created rubies are clearer than genuine rubies and less expensive.

Shopping Advice for Ruby

When purchasing a ruby, it is preferable if the stone comes with a certificate proving its authenticity and origin. This is especially true if you are spending a lot of money on a high-quality natural stone.

Make sure to inquire about any treatments the ruby has received, as well as how these additions affect how you should wear and care for it. Also, make sure to inquire whether the ruby you are purchasing is natural or synthetic. 

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