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  • A faceted cushion-cut blue 1.27-carat Montana Sapphire (heated) on a textured surface with the text "Earth's Treasury" below.

    1.27-Carat Teal Blue Montana Sapphire (Heated)

    $2,200.00

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    Add to cartDone
  • Displayed on a textured gray surface with the Earth's Treasury logo is a 0.91-carat, cushion-cut Montana sapphire gemstone.

    0.91-Carat Violet-Blue Montana Sapphire (Heated)

    $950.00

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    Add to cartDone
  • A close-up of a cushion-cut blue Montana sapphire, weighing 1.03 carats and heated to enhance its beauty, showcasing its facets on a textured gray surface with the "Earth’s Treasury" logo at the bottom.

    1.03-Carat Peacock Blue Montana Sapphire (Heated)

    $1,500.00

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    Add to cartDone
  • A 1.06-carat heated Montana sapphire with a faceted yellow hue rests on a textured surface.

    1.06-Carat Yellow-Gold Particolored Montana Sapphire (Heated)

    $1,200.00

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    Add to cartDone
  • A 1.13-carat heated Montana sapphire with a cushion cut rests on a textured surface.

    1.13-Carat Rich Blue Montana Sapphire (Heated)

    $1,700.00

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    Add to cartDone
  • 1.18-Carat Teal Blue Montana Sapphire (Heated)

    1.18-Carat Teal Blue Montana Sapphire (Heated)

    $2,100.00

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

    0.88-Carat Aqua Blue Montana Sapphire (Heated)

    $880.00

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

    0.99-Carat Sky Blue Montana Sapphire (Heated)

    $1,250.00

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

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

    $1,900.00

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    Add to cartDone
  • A 1.13-Carat Peacock Blue Montana Sapphire (Heated), cushion-cut, sits on a textured gray surface with the "Earth's Treasury" logo and text beneath it.

    1.13-Carat Peacock Blue Montana Sapphire (Heated)

    $1,950.00

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

    1.44-Carat Medium Blue Montana Sapphire (Heated)

    $3,200.00

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    Add to cartDone
  • 1.52-Carat Teal Blue Montana Sapphire (Heated)

    1.52-Carat Teal Blue Montana Sapphire (Heated)

    $3,050.00

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    Add to cartDone
  • 2.21-Carat Orange-Yellow Particolored Montana Sapphire (Heated)

    2.21-Carat Orange-Yellow Particolored Montana Sapphire (Heated)

    $2,700.00

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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
  • 0.91-Carat Orange Montana Sapphire (Heated)

    0.91-Carat Orange Montana Sapphire (Heated)

    $680.00

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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
  • 0.83-Carat Aqua Blue Montana Sapphire (Heated)

    0.83-Carat Aqua Blue Montana Sapphire (Heated)

    $830.00

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    Add to cartDone
  • 1.11-Carat Pale Aqua Montana Sapphire (Heated)

    1.11-Carat Pale Aqua Montana Sapphire (Heated)

    $1,950.00

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    Add to cartDone
  • 1.40-Carat Blue-Teal Particolored Montana Sapphire (Heated)

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

    $1,700.00

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    Add to cartDone
  • 1.45-Carat Teal Montana Sapphire (Heated)

    1.45-Carat Teal Montana Sapphire (Heated)

    $1,750.00

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    Add to cartDone
  • 1.89-Carat Rich Orange Montana Sapphire (Heated)

    1.89-Carat Rich Orange Montana Sapphire (Heated)

    $5,200.00

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    Add to cartDone
  • 1.79-Carat Deep Blue-Green Australian Sapphire (Heated)

    1.79-Carat Deep Blue-Green Australian Sapphire (Heated)

    $2,600.00

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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.