Blue

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  • 0.93-Carat Sky Blue Montana Sapphire (Heated)

    0.93-Carat Sky Blue Montana Sapphire (Heated)

    $1,200.00

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    Add to cartDone
  • 1.07-Carat Sky Blue Montana Sapphire (Heated)

    1.07-Carat Sky Blue Montana Sapphire (Heated)

    $1,600.00

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    Add to cartDone
  • A 1.15-carat medium blue Montana Sapphire (heated), brilliant-cut and round, rests on a textured beige surface with the Earth’s Treasury logo and text displayed below.

    1.15-Carat Medium Blue Montana Sapphire (Heated)

    $2,200.00

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    Add to cartDone
  • 1.10-Carat Light Sky Blue Montana Sapphire (Heated)

    1.10-Carat Light Sky Blue Montana Sapphire (Heated)

    $1,050.00

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    Add to cartDone
  • 1.15-Carat Pale Blue-Yellow Particolored Montana Sapphire (Heated)

    1.15-Carat Pale Blue-Yellow Particolored Montana Sapphire (Heated)

    $2,000.00

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    Add to cartDone
  • 1.26-Carat Medium Blue Montana Sapphire (Heated)

    1.26-Carat Medium Blue Montana Sapphire (Heated)

    $1,350.00

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    Add to cartDone
  • A 1.32-carat blue-yellow particolored Montana sapphire (heated), oval-cut with intricate facets, rests on a textured surface; the "Earth's Treasury" logo appears below the gem.

    1.32-Carat Blue-Yellow Particolored Montana Sapphire (Heated)

    $2,900.00

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    Add to cartDone
  • Pair of silver halo earrings (EA-MS-521) featuring round Montana sapphire centers surrounded by clear stones, displayed on a rough blue gemstone with the "Earth's Treasury" logo below.Pair of silver halo earrings (EA-MS-521) featuring round Montana sapphire centers surrounded by clear stones, displayed on a rough blue gemstone with the "Earth's Treasury" logo below.

    Montana Sapphire Halo Earrings- Rich Blue, 7.0mm (Heated)

    $10,500.00

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    Add to cartDone
  • 1.08-Carat Blue-Aqua Particolored Montana Sapphire (Heated)

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

    $1,200.00

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    Add to cartDone
  • A 1.23-carat rich blue heated Montana Sapphire with a cushion cut and intricate facets is displayed on a light textured surface. "EARTH'S TREASURY" appears at the bottom of the image.

    1.23-Carat Rich Blue Montana Sapphire (Heated)

    $2,150.00

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    Add to cartDone
  • 1.19-Carat Rich Blue Montana Sapphire (Heated)

    1.19-Carat Rich Blue Montana Sapphire (Heated)

    $2,300.00

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    Add to cartDone
  • A 1.11-carat medium blue Montana Sapphire (heated) with a square cushion cut rests on a textured gray surface. The "Earth's Treasury" logo is visible at the bottom of the image.

    1.11-Carat Medium Blue Montana Sapphire (Heated)

    $1,950.00

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    Add to cartDone
  • 1.06-Carat Medium Blue Montana Sapphire (Heated)

    1.06-Carat Medium Blue Montana Sapphire (Heated)

    $1,850.00

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    Add to cartDone
  • 1.10-Carat Medium Blue Montana Sapphire (Heated)

    1.10-Carat Medium Blue Montana Sapphire (Heated)

    $1,650.00

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    Add to cartDone
  • 1.16-Carat Rich Blue Montana Sapphire (Heated)

    1.16-Carat Rich Blue Montana Sapphire (Heated)

    $2,250.00

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    Add to cartDone
  • A 1.25-Carat Sky Blue Montana Sapphire (Heated) is shown in a round brilliant cut on a textured gray surface with the Earth's Treasury logo and text below.

    1.25-Carat Sky Blue Montana Sapphire (Heated)

    $2,200.00

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    Add to cartDone
  • A 1.76-carat blue-yellow particolored heated Montana Sapphire gemstone displayed on a textured gray surface, with the Earth's Treasury logo beneath.

    1.76-Carat Blue-Yellow Particolored Montana Sapphire (Heated)

    $3,950.00

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    Add to cartDone
  • 0.55-Carat Medium Blue Montana Sapphire (Heated)

    0.55-Carat Medium Blue Montana Sapphire (Heated)

    $550.00

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    Add to cartDone
  • 0.56-Carat Medium Blue Montana Sapphire (Heated)

    0.56-Carat Medium Blue Montana Sapphire (Heated)

    $560.00

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    Add to cartDone
  • 0.58-Carat Sky Blue Montana Sapphire (Heated)

    0.58-Carat Sky Blue Montana Sapphire (Heated)

    $580.00

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    Add to cartDone
  • 0.58-Carat Medium Blue Montana Sapphire (Heated)

    0.58-Carat Medium Blue Montana Sapphire (Heated)

    $590.00

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    Add to cartDone
  • 0.64-Carat Medium Blue Montana Sapphire (Heated)

    0.64-Carat Medium Blue Montana Sapphire (Heated)

    $640.00

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    Add to cartDone
  • 0.64-Carat Medium Blue Montana Sapphire (Heated)

    0.64-Carat Medium Blue Montana Sapphire (Heated)

    $640.00

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    Add to cartDone
  • 0.73-Carat Medium Blue Montana Sapphire (Heated)

    0.73-Carat Medium Blue Montana Sapphire (Heated)

    $730.00

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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.