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  • A blue-green Montana sapphire in a classic emerald cut

    0.85-Carat Teal Blue Montana Sapphire (Heated)

    $850.00

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

    0.75-Carat Medium Blue Montana Sapphire (Heated)

    $800.00

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

    0.79-Carat Medium Blue Montana Sapphire (Heated)

    $800.00

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

    0.84-Carat Peacock Blue Montana Sapphire (Heated)

    $900.00

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    Add to cartDone
  • 0.78-Carat Yellow-Green Montana Sapphire (Heated)

    0.78-Carat Yellow-Green Montana Sapphire (Heated)

    $600.00

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    Add to cartDone
  • A blue-green Montana sapphire in a classic emerald cut

    0.82-Carat Teal Blue Montana Sapphire (Heated)

    $850.00

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    Add to cartDone
  • A blue-green Montana sapphire in a classic emerald cut

    0.87-Carat Aqua Blue Montana Sapphire (Heated)

    $950.00

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

    1.11-Carat Aqua Blue Montana Sapphire (Heated)

    $1,600.00

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

    1.24-Carat Teal Blue Montana Sapphire (Heated)

    $1,850.00

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    Add to cartDone
  • A 1.27-carat medium blue Montana sapphire (heated) with intricate facets is displayed on a textured gray surface, with the Earth's Treasury logo beneath it.

    1.27-Carat Medium Blue Montana Sapphire (Heated)

    $2,300.00

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    Add to cartDone
  • A faceted ET1620 pink gemstone rests on a textured gray surface.

    1.22-Carat Light Pink Tourmaline

    $425.00

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    Add to cartDone
  • A square-cut pink gemstone with intricate facets, displayed on a textured gray surface, is paired with the text "Earth's Treasury," accompanied by the model identifier "ET1600" at the bottom.

    1.98-Carat Light Pink Tourmaline

    $790.00

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    Add to cartDone
  • A blue Umba sapphire in a classic diamond round brilliant design

    0.59-Carat Pale Blue Umba Sapphire

    $400.00

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    Add to cartDone
  • A white Umba sapphire in a classic diamond round brilliant design

    0.81-Carat Colorless Umba Sapphire

    $600.00

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    Add to cartDone
  • A blue Umba sapphire in a classic diamond round brilliant design

    0.85-Carat Steely Blue Umba Sapphire

    $700.00

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    Add to cartDone
  • A gray Montana sapphire in a classic diamond round brilliant design

    0.93-Carat Sky Blue Montana Sapphire (Heated)

    $950.00

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    Add to cartDone
  • A blue Montana sapphire in a classic diamond round brilliant design

    1.13-Carat Medium Blue Montana Sapphire (Heated)

    $1,800.00

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    Add to cartDone
  • A blue-green Montana sapphire in a classic diamond round brilliant design

    1.19-Carat Peacock Blue Montana Sapphire (Heated)

    $1,900.00

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    Add to cartDone
  • A blue Montana sapphire in a classic diamond round brilliant design

    1.21-Carat Rich Blue Montana Sapphire (Heated)

    $1,900.00

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    Add to cartDone
  • A blue-green Montana sapphire in a classic diamond round brilliant design

    1.29-Carat Light Blue Montana Sapphire (Heated)

    $1,900.00

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    Add to cartDone
  • A 1.31-carat Teal Blue Montana Sapphire (Heated) with a round, faceted cut is shown on a textured light gray surface, accompanied by the text "EARTH'S TREASURY" below.

    1.31-Carat Teal Blue Montana Sapphire (Heated)

    $1,965.00

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    Add to cartDone
  • A 1.33-carat medium blue heated Montana Sapphire gemstone is displayed on a textured light brown surface with the Earth's Treasury logo at the bottom.

    1.33-Carat Medium Blue Montana Sapphire (Heated)

    $1,995.00

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    Add to cartDone
  • 1.47-Carat Medium Blue Montana Sapphire (Heated), round brilliant-cut, showcased on a textured gray surface with the Earth's Treasury logo and text at the bottom.

    1.47-Carat Medium Blue Montana Sapphire (Heated)

    $2,900.00

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    Add to cartDone
  • 1.49-carat medium blue heated Montana Sapphire, round brilliant-cut, displayed on a textured background with the "Earth's Treasury" logo and text at the bottom.

    1.49-Carat Medium Blue Montana Sapphire (Heated)

    $2,900.00

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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.