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  • A blue Montana sapphire in our "Testudo" oval design

    0.83-Carat Sky Blue Montana Sapphire (Heated)

    $800.00

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

    1.59-Carat Medium Blue Montana Sapphire (Heated)

    $3,200.00

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    Add to cartDone
  • A color-change Montana sapphire in our "Helena" oval design

    1.18-Carat Violet-Blue Montana Sapphire (Heated)

    $2,100.00

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    Add to cartDone
  • A color-change Montana sapphire in our "Serendipity" oval design

    1.14-Carat Rich Violet Blue Montana Sapphire (Heated)

    $1,900.00

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    Add to cartDone
  • A 1.43-carat orange-colorless particolored Montana Sapphire (heated) rests on a textured metallic surface, with the "Earth's Treasury" logo and text below.

    1.43-Carat Orange-Colorless Particolored Montana Sapphire (Heated)

    $2,500.00

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

    0.56-Carat Medium Blue Montana Sapphire

    $600.00

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    Add to cartDone
  • 5.67-Carat Mint Green Montana Sapphire

    5.68-Carat Mint Green Montana Sapphire

    $25,500.00

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    Add to cartDone
  • A particolored Montana sapphire in our "Hyperbola" oval design

    0.92-Carat Sky Blue Montana Sapphire

    $1,300.00

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    Add to cartDone
  • A pink Montana sapphire in our "Hyperbola" oval design

    0.72-Carat Light Pink Montana Sapphire

    $700.00

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    Add to cartDone
  • A blue Montana sapphire in our "Hyperbola" oval design

    0.74-Carat Aqua Blue Montana Sapphire

    $750.00

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    Add to cartDone
  • A blue Montana sapphire in our "Hyperbola" oval design

    0.71-Carat Medium Blue Montana Sapphire

    $900.00

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    Add to cartDone
  • A blue-green Montana sapphire in our "Helena" oval design

    0.79-Carat Light Aqua Blue Montana Sapphire

    $950.00

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    Add to cartDone
  • A faceted orange 2.37-carat tourmaline lies on a textured gray surface. The bottom part of the image features the text "Earth's Treasury.

    2.37-Carat Autumn Orange Tourmaline

    $950.00

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    Add to cartDone
  • 2.68-Carat Pink Ombre California Tourmaline

    2.68-Carat Pink Ombre California Tourmaline

    $800.00

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    Add to cartDone
  • A Particolored Australian Sapphire in our "Triptych" trillion design

    0.94-Carat Green Australian Sapphire (Heated)

    $950.00

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    Add to cartDone
  • A blue-green Australian Sapphire in our "Fourth of July" rectangle design

    0.86-Carat Teal Blue Australian Sapphire (Heated)

    $850.00

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    Add to cartDone
  • A blue Australian Sapphire in our "Serendipity" oval design

    0.82-Carat Midnight Blue-Green Australian Sapphire (Heated)

    $800.00

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    Add to cartDone
  • 0.57-Carat Pale Lavender Montana Sapphire (Heated)

    0.57-Carat Pale Lavender Montana Sapphire (Heated)

    $550.00

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

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

    $600.00

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    Add to cartDone
  • 1.27-Carat Medium-Sky Blue Particolored Montana Sapphire (Heated)

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

    $1,800.00

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

    1.60-Carat Medium Blue Montana Sapphire (Heated)

    $3,600.00

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

    0.93-Carat Pale Aqua Blue Montana Sapphire (Heated)

    $950.00

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

    1.00-Carat Teal Blue Montana Sapphire (Heated)

    $1,250.00

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

    0.87-Carat Pale Gray-Blue Montana Sapphire (Heated)

    $800.00

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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.