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Showing 121–134 of 134 resultsSorted by latest

  • A 1.50-carat Rich Blue Montana Sapphire (Heated) rests elegantly on a white surface, its deep blue hue captivating the eye.

    1.50-Carat Rich Blue Montana Sapphire (Heated)

    $3,300.00

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  • 1.41-Carat Medium Blue Montana Sapphire (Heated)

    1.41-Carat Medium Blue Montana Sapphire (Heated)

    $2,500.00

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  • A 1.65-carat Medium Blue Montana Sapphire (Heated), round brilliant-cut, is displayed upright on a textured gray surface with the "Earth's Treasury" logo and text underneath.

    1.65-Carat Medium Blue Montana Sapphire (Heated)

    $3,000.00

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  • A 1.68-carat medium blue Montana Sapphire (heated), round and faceted, rests on a textured gray surface with the "Earth's Treasury" logo and text below it.

    1.68-Carat Medium Blue Montana Sapphire (Heated)

    $3,400.00

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  • 1.45-Carat Colorless-Yellow Particolored Montana Sapphire (Heated)

    1.45-Carat Colorless-Yellow Particolored Montana Sapphire (Heated)

    $1,100.00

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  • 1.34-Carat Golden Yellow Montana Sapphire (Heated)

    1.34-Carat Golden Yellow Montana Sapphire (Heated)

    $1,675.00

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  • A faceted, rectangular 1.45-Carat Mauve Purple Montana Sapphire with internal reflections rests on a textured gray surface, with the "Earth's Treasury" logo and text below.

    1.45-Carat Mauve Purple Montana Sapphire

    $1,950.00

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  • A 1.46-carat deep blue Montana sapphire (heated), faceted in an octagonal shape, rests on a textured gray surface with the Earth’s Treasury logo below.

    1.46-Carat Deep Blue Montana Sapphire (Heated)

    $2,500.00

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    Add to cartDone
  • A blue Montana sapphire in an Old European-style cut (OEC)

    1.73-Carat Sky Blue Montana Sapphire (Heated)

    $3,300.00

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

    1.38-Carat Rich Blue Montana Sapphire (Heated)

    $1,950.00

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    Add to cartDone
  • 1.42-Carat Pale Blue Montana Sapphire (Heated)

    1.42-Carat Pale Blue Montana Sapphire (Heated)

    $1,100.00

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    Add to cartDone
  • A 1.33-carat medium blue heated Montana Sapphire with a hexagonal cut rests on a textured gray surface. "Earth's Treasury" and the logo are shown at the image’s bottom.

    1.33-Carat Medium Blue Montana Sapphire (Heated)

    $2,350.00

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  • A 1.79-Carat Teal Blue Montana Sapphire (Heated) is displayed on a textured light gray surface with "Earth's Treasury" and a hexagon logo beneath.

    1.79-Carat Teal Blue Montana Sapphire (Heated)

    $2,400.00

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    Add to cartDone
  • A faceted Montana Sapphire, product MS1762, with visible internal patterns is displayed on a light textured surface. The Earth's Treasury logo appears below the gem.

    2.08-Carat Medium Blue Montana Sapphire (Heated)

    $3,600.00

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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.