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  • A 1.23-carat heated Montana sapphire with an oval cut rests on a textured metallic surface, "EARTH'S TREASURY" displayed at the bottom.

    1.23-Carat Deep Blue-Green Montana Sapphire (Heated)

    $1,300.00

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  • A 1.25-carat heated Montana sapphire with an oval cut is shown on a textured gray surface, featuring the text "EARTH'S TREASURY" and a hexagon logo at the bottom.

    1.25-Carat Rich Teal Montana Sapphire (Heated)

    $1,350.00

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  • A round, faceted 1.26-carat heated Montana sapphire with a blue hue rests on a textured grey surface, featuring the "EARTH'S TREASURY" logo and text at the bottom.

    1.26-Carat Aqua Blue Montana Sapphire (Heated)

    $1,350.00

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  • A 1.39-carat heated Montana sapphire, round brilliant-cut and blue, is shown on a textured gray surface with the "Earth's Treasury" logo at the bottom.

    1.39-Carat Aqua Blue Montana Sapphire (Heated)

    $1,700.00

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  • A faceted oval light blue 1.42-carat heated Montana sapphire rests on a textured gray surface with "EARTH'S TREASURY" at the bottom.

    1.42-Carat Near Colorless Montana Sapphire (Heated)

    $1,550.00

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  • A 1.63-carat heated Montana sapphire with an oval cut and blue-green hue rests on a textured gray surface, with "EARTH'S TREASURY" displayed at the bottom.

    1.63-Carat Teal-Aqua Particolored Montana Sapphire (Heated)

    $1,950.00

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  • A 1.38-carat heated Montana sapphire with a faceted blue surface rests on gray textured material, with "EARTH'S TREASURY" and a geometric logo displayed below.

    1.38-Carat Aqua-Blue Particolored Montana Sapphire (Heated)

    $1,700.00

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  • A 3.09-carat heated Montana sapphire with a blue-green hue rests on a textured gray surface, with "EARTH'S TREASURY" at the bottom.

    3.09-Carat Deep Blue-Green Particolored Montana Sapphire (Heated)

    $5,000.00

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  • A 1.55-carat heated Montana sapphire is displayed on a textured gray surface with the text "EARTH'S TREASURY" below.

    1.55-Carat Peacock Blue Montana Sapphire (Heated)

    $1,900.00

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  • A 1.77-carat oval-cut Montana Sapphire (heated) is showcased on a textured, light surface with "EARTH'S TREASURY" and a hexagonal logo below.

    1.77-Carat Teal Blue Montana Sapphire (Heated)

    $2,400.00

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  • A 1.83-carat heated Montana sapphire in faceted teal-blue rests on a patterned surface with "EARTH'S TREASURY" displayed at the bottom.

    1.83-Carat Spruce Green Montana Sapphire (Heated)

    $3,400.00

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  • A 2.42-carat heated Montana sapphire, oval and blue-green, is displayed on a textured gray surface with "EARTH'S TREASURY" at the bottom.

    2.42-Carat Deep Blue-Green Montana Sapphire (Heated)

    $3,000.00

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    Add to cartDone
  • A 2.67-carat heated Montana sapphire, round brilliant-cut and blue, displayed on a textured grey surface with the Earth’s Treasury logo and text below.

    2.67-Carat Peacock Blue Montana Sapphire (Heated)

    $4,850.00

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  • A 0.94-carat heated Montana sapphire with a faceted blue starburst pattern is displayed on a textured metallic surface, with the "Earth's Treasury" logo beneath.

    0.94-Carat Teal-Blue Particolored Montana Sapphire (Heated)

    $1,200.00

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  • A 1.36-carat heated Montana sapphire, oval faceted and blue, rests on a light textured surface with "EARTH'S TREASURY" at the bottom.

    1.36-Carat Teal-Blue Particolored Montana Sapphire (Heated)

    $1,600.00

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  • A faceted 1.62-carat heated Montana sapphire with intricate cuts rests on a textured light surface; the "EARTH'S TREASURY" logo appears at the bottom.

    1.62-Carat Teal-Blue Particolored Montana Sapphire (Heated)

    $2,200.00

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  • 1.17-Carat Montana Sapphire (Heated) in round brilliant cut displayed on a textured light surface, featuring the text "EARTH'S TREASURY" at the bottom.

    1.17-Carat Teal-Blue Particolored Montana Sapphire (Heated)

    $1,250.00

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    Add to cartDone
  • 1.30-carat heated Montana sapphire in round brilliant cut shown on a textured light gray surface, with "EARTH'S TREASURY" displayed at the bottom.

    1.30-Carat Teal-Aqua Particolored Montana Sapphire (Heated)

    $1,600.00

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    Add to cartDone
  • A 1.31-carat, heated Montana sapphire with a round brilliant cut is displayed on a textured, light-colored surface above the "Earth’s Treasury" logo.

    1.31-Carat Teal-Aqua Particolored Montana Sapphire (Heated)

    $1,600.00

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    Add to cartDone
  • A 1.34-carat heated Montana sapphire with a brilliant round cut sits on a textured gray surface, the "Earth's Treasury" logo displayed at the bottom.

    1.34-Carat Medium Blue Montana Sapphire (Heated)

    $1,600.00

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    Add to cartDone
  • 1.44-Carat heated Montana Sapphire, round brilliant-cut blue gemstone on textured silver surface, with "Earth's Treasury" logo and text below.

    1.44-Carat Teal Blue Montana Sapphire (Heated)

    $1,750.00

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    Add to cartDone
  • A 1.50-carat heated Montana Sapphire, round brilliant-cut and blue, is displayed on a textured silver-gray surface with the Earth's Treasury logo below.

    1.50-Carat Peacock Blue Montana Sapphire (Heated)

    $1,800.00

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    Add to cartDone
  • A 1.65-carat heated Montana Sapphire, featuring mixed light and dark blue facets, rests on a textured gray surface with the "Earth's Treasury" logo below.

    1.65-Carat Teal Blue Montana Sapphire (Heated)

    $2,200.00

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    Add to cartDone
  • A 1.01-carat heated Montana sapphire with a cushion cut is displayed on a light textured surface, with "Earth's Treasury" written below the gemstone.

    1.01-Carat Aqua-Blue Particolored Montana Sapphire (Heated)

    $1,100.00

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    Add to cartDone

Natural Gemstone Jewelry & Loose Gemstones at Earth’s Treasury

At Earth’s Treasury, we make finding your color easy with one of the widest selections of ethically sourced gemstones available, from Montana sapphires and garnets to tourmaline and emeralds. Our team of talented designers and jewelers is dedicated to creating custom gemstone jewelry that’s as unique as your story. Whether you’re drawn to classic pieces or dream up a one-of-a-kind engagement ring, we’ll guide you every step of the way to ensure your jewelry feels personal, original, and entirely you.