Blue SapphireGemologyGemstones

Gemological Guide On Blue Sapphire Gemstone

Think of the precious gems that exist in the world and blue sapphire gemstone make to the topmost entries along with diamonds, emeralds, and rubies.

Representing royalty in the best way possible, sapphires are one of the most desired gemstones by people from all walks of life. You might have seen your favorite celebs wearing them and even politicians and sportspersons adorning them with pride.

Chemical Properties of Blue Sapphire

Out of the various varieties of sapphires, the Blue Sapphire Gemstone is considered as one of the most valuable ones. This naturally-occurring gemstone is form through aluminum oxide (corundum) and includes the traces of other elements like cobalt, which give it a truly fascinating blue shade. Even though its blue color is like by many, this gemstone tends to show different hues when seen from different angles.

This guide will tell you all you need to know about the wonderful gemological properties of Blue Sapphire Gemstone.

Blue Sapphire Origins

Sapphires are available in all across the globe. They are source from various regions including Australia, Burma, Cambodia, China, Colombia, India, Kenya, Madagascar, Malawi, Nepal, Nigeria, Pakistan, Sri Lanka, Tanzania, Thailand, and the USA. However, it is Kashmir, India which is said to be the home to the purest and the best quality blue sapphires.

Blue Sapphire 4C’s

Not every gemstone stands true to its properties. When it comes to buying the royal blue sapphire gemstone, it is important to take a look at blue sapphire gemological properties. Commonly known as the four Cs of judgment, these properties play a vital role in determining the right price and value of blue sapphires.


The measurement of Gemstones can be in carats. 1 carat is equivalent to approximately 1/5 of a gram i.e. 0.2 grams. As the carat size of a blue sapphire gemstone increases, so does its rarity, and eventually the price. Bigger sapphires that are over 5 carats are rare, and thus, are extremely expensive.


The striking looks of a gorgeous blue sapphire don’t really need any mention. But, it is the clarity of a gemstone that makes people fall in love with its looks.

Clarity indicates the gem’s transparency. While buying blue sapphires, get a stone that is eye-clean. This means that no inclusions should be prominently visible to the naked eye as their presence may hint at an inferior value.

However, some fine inclusions mean that the gem is natural and is generally acceptable. These may include liquids, gases, and at times crystals of other minerals.


The world of blue sapphires is certainly a scintillating one. These gemstones obtain different colors and may range in hues from light blue to deeper, darker blue. It is important to note that the intensity of the blue color determines the value of the sapphire.

A gem with the purest color is highly-priced. Such a gem contains minimal to no tinges of other colors, has high levels of saturation and best tones. A perfect blue sapphire is the one that has an intense, rich blue tone without being too dark or too light in color.

Different colors of Blue Sapphire


The cut is the shape or design of a gemstone. The choice and quality of a cut lead to a significant impact on the size of the sapphire, and thus, they have a bearing on its value too.

Sapphires, commonly available in the oval cut, can be available in several other varieties of cuts such as the round cut, cushion cut, emerald cut, angle cut, prince cut, and the square cut.

No matter what cut is prefer, the focus should be on ensuring that the light return is maximum to enhance the color and sparkle of the gemstone.

Different Cuts of Blue Sapphire

Sapphire Treatment

In order to know more about blue sapphires, understanding the treatment types is a must for any interested buyer as treatments change the stone and its value.

Untreated sapphires, though rare, still can be found. These are the most expensive blue sapphires. Treated sapphires could be heat-treated, Beryllium treated, surface diffused or fissure filled with glass.

Commercial providers of sapphire usually treat them with heat. The cheap varieties belong to the other categories of treatment which are perform to enhance the color of the stone.

It is important to find a reliable and reputable dealer of gemstones who discloses all the information about the blue sapphire 4Cs and treatments to help the buyers make an informed decision when it comes to picking a pure, stunning, blue sapphire.

Sehdev Jewelers are blue sapphire dealers that deal in sapphire gemstones at wholesale price. All our gemstones are certified by GemLab Laboratory that includes all the details of gemstones.

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