Heat-Treated Sapphires
We have a great selection of heat-treated sapphires. There are several benefits of the heat treatment process, including its ability to enhance the gemstone’s clarity and develop its color. Heat treatment is done intentionally to change the color of the stone and evaporate the rutile needles, also known as “silk,” in sapphire stones. View our selection below to see our heated Montana sapphire. To simplify your search, use the filter feature to shop by size, shape, and color. Here at Americut Gems, we pride ourselves on selling sapphires that are mined, cut, and polished in the United States. Every purchase of our heat-treated sapphires will also include quality gemcutting reports that confirm the stone’s precision cut and documents of its dimensions and angles. Contact us today for more information.
Showing 1–27 of 405 results
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Teal Montana Sapphire – Round 4.95 Carats
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Blue-Green Montana Sapphire-Asscher Cut 3.76cts
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Blue-Green Montana Sapphire – Round 3.50 Carats
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Blue Montana Sapphire- Hexagon 3.42cts
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Blue-green Montana Sapphire – Round 3.88cts
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Unheated Bluegreen Montana Sapphire – Divine Radiance 2.91 carats
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Bluegreen Montana Sapphire – Cushion 3.54 Carat
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Blue Green Sapphire-Cushion 3.72cts
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Teal Montana Sapphire – Oval 2.96 Carat
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Green Montana Sapphire – Oval 2.93 Carat
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Blue Montana Sapphire – Square Cushion 2.99ct
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Bluegreen Montana Sapphire – Hexagon 2.83 Carat
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Bluegreen Montana Sapphire – Oval 2.97 Carat
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Bluegreen Montana Sapphire – Oval 2.95 Carat
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Bluegreen Montana Sapphire – Oval 2.95 Carat
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Teal Montana Sapphire – Secret Cove 2.58 Carat
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Teal Montana Sapphire – Round 2.61 Carat
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Blue Sapphire- Round 2.53cts
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Blue Montana Sapphire – Cushion 2.97 Carats
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Blue Montana Sapphire – Round 2.84 carats
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Blue Montana Sapphire – Round 2.90 carats
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Bluegreen Sapphire – Hexagon 2.74cts
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Blue Sapphire- Round 2.47cts
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Blue Montana Sapphire – Cushion 2.60 Carat
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Pastel Montana Sapphire – Fancy Cushion 2.45 Carat
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Blue Montana Sapphire – Round 2.94 Carat
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Blue Montana Sapphire- Oval 2.17cts