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  • A blue Montana sapphire in our "Fourth of July" rectangle design

    0.93-Carat Medium Blue Montana Sapphire (Heated)

    $900.00

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  • A 1.36-carat heated teal blue Montana Sapphire rests on a textured gray surface, with "Earth's Treasury" below it.

    1.36-Carat Teal Blue Montana Sapphire (Heated)

    $2,100.00

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

    1.04-Carat Pale Sky Blue Montana Sapphire (Heated)

    $1,700.00

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    Add to cartDone
  • A 1.67-carat medium blue Montana Sapphire (heated) is displayed on a textured gray surface with the text "Earth's Treasury" and a hexagon logo beneath it.

    1.67-Carat Medium Blue Montana Sapphire (Heated)

    $3,250.00

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

    1.08-Carat Gray to Purple Color Change Montana Sapphire (Heated)

    $1,900.00

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    Add to cartDone
  • A yellow Montana sapphire in our "Serendipity" oval design

    1.01-Carat Pale Yellow Montana Sapphire (Heated)

    $1,000.00

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    Add to cartDone
  • A 1.39-carat yellow-colorless particolored Montana Sapphire (heated) is displayed on a textured gray surface, with "EARTH'S TREASURY" text and logo below.

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

    $1,950.00

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

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

    $1,900.00

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

    1.09-Carat Peacock Blue Montana Sapphire (Heated)

    $1,450.00

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    Add to cartDone
  • A 1.29-carat heated aqua blue Montana Sapphire, cut in a round brilliant style, sits on a textured metallic surface with the text "EARTH'S TREASURY" below.

    1.29-Carat Aqua Blue Montana Sapphire (Heated)

    $1,950.00

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    Add to cartDone
  • A 1.52-Carat Deep Blue Montana Sapphire (Heated) is shown on a textured gray surface with the "Earth's Treasury" logo at the bottom.

    1.52-Carat Deep Blue Montana Sapphire (Heated)

    $2,200.00

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

    1.09-Carat Medium Blue Montana Sapphire (Heated)

    $1,900.00

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

    1.40-Carat Sky Blue Montana Sapphire (Heated)

    $1,900.00

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    Add to cartDone
  • 4.76-Carat Deep Blue-Green Montana Sapphire (Heated)

    4.76-Carat Deep Blue-Green Montana Sapphire (Heated)

    $14,300.00

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    Add to cartDone
  • 1.22-Carat Colorless Montana Sapphire

    1.22-Carat Colorless Montana Sapphire

    $1,900.00

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

    0.84-Carat Aqua-Yellow Particolored Montana Sapphire

    $800.00

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

    0.72-Carat Pale Yellow Montana Sapphire

    $700.00

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    Add to cartDone
  • A white Montana sapphire in our "Serendipity" oval design

    0.70-Carat Near Colorless Montana Sapphire

    $700.00

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    Add to cartDone
  • A white Montana sapphire in our "Serendipity" oval design

    0.72-Carat Colorless Montana Sapphire

    $700.00

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    Add to cartDone
  • A 1.41-Carat Colorless Montana Sapphire with a round faceted cut rests on a textured gray surface, with the Earth's Treasury logo and text below.

    1.41-Carat Colorless Montana Sapphire

    $2,300.00

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

    0.96-Carat Teal Blue Montana Sapphire

    $1,200.00

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    Add to cartDone
  • 2.29-Carat Pink Tourmaline

    2.29-Carat Pink Tourmaline

    $900.00

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    Add to cartDone
  • 4.38-Carat Deep Raspberry Red California Tourmaline

    4.38-Carat Deep Raspberry Red California Tourmaline

    $1,750.00

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    Add to cartDone
  • A 1.35-carat mint garnet, cut in a square shape and featuring a pale green hue, is displayed on a textured surface with the words "Earth's Treasury" visible beneath it.

    1.35-Carat Pale Green Merelani Mint Garnet

    $675.00

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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.