Gemstone guide

Royal Blue Sapphire Heated Madagascar 2.54ct - 8x6mm

What is Sapphire?

A guide to sapphire, and to buying one well.

About Sapphire

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The sapphire, a gemstone of timeless allure, is celebrated for its captivating colours and exceptional clarity. At STARLANKA, our collection showcases sapphires from esteemed origins such as Sri Lanka, Madagascar, and Burma, each offering a unique narrative of beauty. Whether you are drawn to the serene elegance of Cornflower Blue or the dramatic appeal of Vivid hues, every sapphire is a testament to nature's artistry.

Sapphires in our collection may be heated to enhance their natural colour and clarity, a traditional process that amplifies their inherent splendour. With prices starting from around $26 per carat, these gemstones are accessible yet remain a symbol of luxury. Many of our stones are accompanied by laboratory certificates from respected institutions like GIA and GRS, ensuring their authenticity and quality.

Price per carat

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Typical price
$1,359 per carat
Most stones
$203–$2,730 per carat
Based on
83 stones in our stock, updated weekly. Sapphire prices by carat size →

From our stock

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From the journal

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From the journal

Frequently Asked Questions

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Where do STARLANKA sapphires originate?

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Our sapphires hail from renowned locations including Sri Lanka, Madagascar, Australia, Burma, Thailand, and Mozambique, each known for producing stones with distinct beauty.

Are STARLANKA sapphires treated?

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Many of our sapphires undergo heat treatment, a common practice to enhance their colour and clarity, while some are offered in their natural, unheated state.

What drives the value of a sapphire?

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The value of a sapphire is influenced by its colour, clarity, cut, and carat weight. Origin and treatment also play significant roles in determining a sapphire's desirability and worth.

How should I choose a sapphire?

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Consider the sapphire's colour, clarity, and cut, alongside your personal preference for origin and whether you prefer heated or unheated stones. Certification can provide additional assurance of quality.

Are STARLANKA sapphires certified?

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Many of our sapphires come with certificates from esteemed labs such as GIT, AIGS, and GIA. Certification is available on request for any stone, ensuring its authenticity.