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  • A 1.44-carat heated Montana sapphire with a radiant cut is displayed on a textured light gray surface. The "EARTH'S TREASURY" logo appears at the bottom.

    1.44-Carat Medium Blue Montana Sapphire (Heated)

    $2,800.00

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  • A 1.45-carat heated Montana sapphire with a brilliant cut is displayed on a textured gray surface, with "EARTH'S TREASURY" shown below.

    1.45-Carat Medium-Sky Blue Particolored Montana Sapphire (Heated)

    $2,900.00

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  • A 1.56-carat heated Montana sapphire with a blue faceted cut rests on a textured gray surface, "Earth's Treasury" written below.

    1.56-Carat Peacock Blue Montana Sapphire (Heated)

    $1,800.00

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  • A round, faceted 1.93-carat heated Montana sapphire is showcased on a textured gray surface with "EARTH'S TREASURY" displayed at the bottom.

    1.93-Carat Sky Blue Montana Sapphire (Heated)

    $2,900.00

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  • The “Ailette” ring in 14K yellow gold features a 1.44-carat round Montana sapphire center, surrounded by small white diamonds, displayed on a green leaf background.The "Ailette" ring in 14K yellow gold with a 1.44-carat Montana sapphire stands upright on a textured gray surface, its intricate design framing the rough blue stone above the Earth's Treasury logo.

    The “Ailette” Halo Ring

    $2,450.00

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  • A 0.95-carat heated Montana sapphire with a round, faceted cut rests on a textured, light-colored surface. The "EARTH'S TREASURY" logo and text appear at the bottom of the image.

    0.95-Carat Deep Peacock Blue Montana Sapphire (Heated)

    $1,050.00

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  • A 1.07-carat heated Montana Sapphire with a round brilliant cut is displayed on a textured gray surface, featuring the text "EARTH'S TREASURY" at the bottom.

    1.07-Carat Sky Blue Montana Sapphire (Heated)

    $1,850.00

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  • A 1.12-carat heated Montana sapphire in round brilliant cut is showcased on a textured gray surface with "EARTH'S TREASURY" at the bottom.

    1.12-Carat Rich Blue Montana Sapphire (Heated)

    $2,200.00

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  • A faceted round 1.19-carat heated Montana sapphire is displayed on a textured light gray surface with "EARTH'S TREASURY" and a hexagon logo at the bottom.

    1.19-Carat Rich Blue Montana Sapphire (Heated)

    $1,250.00

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  • A round, faceted 1.22-carat heated Montana sapphire with a blue hue rests on a textured light gray surface. The text "EARTH'S TREASURY" appears at the bottom of the image.

    1.22-Carat Teal Montana Sapphire (Heated)

    $1,800.00

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  • A 1.25-carat heated Montana sapphire, faceted in an oval shape and blue in color, is displayed on a textured gray surface with "EARTH'S TREASURY" at the bottom.

    1.25-Carat Sky Blue-Pale Yellow Particolored Montana Sapphire (Heated)

    $2,200.00

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  • A 1.27-carat heated Montana sapphire with a blue hue is displayed on a textured silver surface. "EARTH'S TREASURY" is shown at the bottom.

    1.27-Carat Light Sky Blue Montana Sapphire (Heated)

    $1,900.00

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  • A round, faceted 1.27-carat Montana Sapphire (heated) with pale yellow and green hues rests on a textured metallic surface, with the "Earth's Treasury" logo visible at the bottom.

    1.27-Carat Yellow-Aqua Particolored Montana Sapphire (Heated)

    $1,400.00

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  • A 1.29-carat heated Montana sapphire with a blue hue rests on a gray textured surface, with "EARTH'S TREASURY" displayed at the bottom.

    1.29-Carat Teal Blue Montana Sapphire (Heated)

    $2,300.00

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  • A 1.30-carat heated Montana sapphire is displayed on a textured, metallic surface with "EARTH'S TREASURY" at the bottom.

    1.30-Carat Teal Blue Montana Sapphire (Heated)

    $1,600.00

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  • A round, faceted 1.31-carat heated Montana sapphire with a blue hue is shown on a textured gray surface, featuring the text "EARTH'S TREASURY" at the bottom.

    1.31-Carat Teal Blue Montana Sapphire (Heated)

    $1,600.00

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    Add to cartDone
  • A round, faceted 1.38-carat heated Montana sapphire with a blue hue is displayed on a textured, light-colored surface with “EARTH'S TREASURY” at the bottom.

    1.38-Carat Medium Blue Montana Sapphire (Heated)

    $1,700.00

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  • A 1.40-carat heated Montana sapphire gemstone is shown on a textured gray surface with "EARTH'S TREASURY" beneath it.

    1.40-Carat Sky Blue Montana Sapphire (Heated)

    $2,400.00

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  • A 1.40-carat heated Montana sapphire, round and faceted, rests on a textured gray surface with "EARTH'S TREASURY" displayed below.

    1.40-Carat Teal Blue Montana Sapphire (Heated)

    $2,400.00

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    Add to cartDone
  • 1.41-carat heated Montana sapphire, faceted oval and blue, displayed on a textured surface with the Earth’s Treasury logo at the bottom.

    1.41-Carat Teal Blue Montana Sapphire (Heated)

    $2,800.00

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    Add to cartDone
  • A 1.44-carat heated Montana Sapphire with a round brilliant cut is shown on a textured gray surface, with "EARTH'S TREASURY" written at the bottom.

    1.44-Carat Sky Blue Montana Sapphire (Heated)

    $1,700.00

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    Add to cartDone
  • A 1.45-carat heated Montana sapphire with a round brilliant cut rests on a textured gray surface, featuring the text "Earth's Treasury" at the bottom.

    1.45-Carat Sky Blue Montana Sapphire (Heated)

    $2,900.00

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    Add to cartDone
  • A 1.49-carat heated Montana sapphire, round and blue with faceted cuts, is shown on a textured gray surface with "Earth's Treasury" written below.

    1.49-Carat Teal Blue Montana Sapphire (Heated)

    $3,000.00

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    Add to cartDone
  • A faceted, oval-shaped 1.57-carat heated Montana sapphire shown on a textured gray surface, with the "Earth's Treasury" logo and text at the bottom.

    1.57-Carat Deep Blue Montana Sapphire (Heated)

    $2,650.00

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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.