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Orange Sapphire

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description Orange Sapphire Overview

Orange sapphire is a gem-quality variety of corundum whose color ranges from yellowish orange to reddish or pinkish orange. Its color commonly results from trace elements in the crystal, and stones may be heat-treated to alter or intensify their appearance. Some orange-pink sapphires approach the color associated with padparadscha, although laboratories apply restrictive and sometimes differing criteria to that designation. It is used primarily in jewelry and gemstone collections.

help Orange Sapphire FAQ

What causes a sapphire to appear orange?

Orange sapphire is corundum colored by trace elements and interactions involving elements such as iron and chromium. The exact chemistry and resulting hue can vary from yellow-orange to reddish orange.

Is every orange-pink sapphire a padparadscha?

No. Padparadscha is a narrowly defined pink-orange sapphire color, traditionally associated with Sri Lankan stones, and laboratories may disagree about borderline examples.

Are orange sapphires commonly heat-treated?

Many are heated to improve color or clarity, and some vivid orange stones may receive more extensive treatments such as beryllium diffusion. A report from a respected gemological laboratory can identify many treatments and distinguish natural from laboratory-grown corundum.

Is orange sapphire durable enough for an engagement ring?

Yes. Sapphire is corundum with a Mohs hardness of 9, making it highly resistant to scratching in everyday jewelry.

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