Indicolite Blue Tourmaline 5.99ct

What is Blue Tourmaline?

Blue Tourmaline is the indicolite variety of tourmaline, coloured by iron and other trace elements. A guide to the gem, and to buying one well.

About Blue Tourmaline

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Species
Tourmaline
Variety
Indicolite
Hardness (Mohs)
7-7.5
Refractive index
1.61-1.64
Colour caused by
Iron and other trace elements

Blue Tourmaline, a gem of exceptional allure, captivates with its rich spectrum of blue hues, ranging from deep oceanic tones to lighter azure shades. Known in the trade as Indicolite, this exquisite gemstone is celebrated for its unique colour and clarity, which are the primary determinants of its value. Our collection features stones originating from the esteemed regions of Africa, including Mozambique, Nigeria, and the Congo. Each stone is one-of-a-kind, with its origin and any treatments, such as heating, fully disclosed to ensure transparency.

At STARLANKA, we offer Blue Tourmaline in a variety of sophisticated cuts, from the classic Emerald and Asscher cuts to the intricate Fine Step and Brilliant Diamond cuts. These stones are available in clarity grades ranging from Internally Flawless (IF) to Slightly Included (SI), allowing you to select a piece that resonates with your personal taste. With prices starting from around $62 per carat, Blue Tourmaline offers a refined elegance that is both timeless and enchanting.

Judging quality

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What drives the value

  • Color saturation
  • Clarity
  • Size

What to watch for when buying

  • Misidentification with lower-quality blue stones
  • Overlooking inclusions that affect clarity

Inclusions you may see

  • Natural inclusions such as needles or color zoning

Origin, treatment and trade names

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Where it comes from

TreatmentAs disclosed for the stones we sell; every listing states its own.

Unheated

From our stock

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From the journal

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Frequently Asked Questions

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What are the origins of Blue Tourmaline?

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Our Blue Tourmaline originates from Africa, with notable sources including Mozambique, Nigeria, and the Congo.

Is Blue Tourmaline treated?

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Blue Tourmaline may be unheated or subjected to heat treatment to enhance its natural beauty. All treatments are disclosed.

What drives the value of Blue Tourmaline?

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The value of Blue Tourmaline is primarily driven by its colour intensity, clarity, and the quality of its cut.

How should I choose a Blue Tourmaline?

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When choosing a Blue Tourmaline, consider the stone's colour, clarity, and cut, as well as your personal aesthetic preferences.

Is certification available for Blue Tourmaline?

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Many Blue Tourmaline stones are accompanied by a laboratory certificate from GRS. Certification is available on request for any stone.