Helena

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

    0.70-Carat Teal Blue Montana Sapphire (Heated)

    $700.00

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

    0.72-Carat Medium Blue Montana Sapphire (Heated)

    $750.00

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

    0.94-Carat Medium Blue Montana Sapphire (Heated)

    $1,100.00

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    Add to cartDone
  • A purple Montana sapphire in our "Helena" oval design

    1.05-Carat Violetish Blue Montana Sapphire (Heated)

    $1,500.00

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

    1.25-Carat Medium Blue Montana Sapphire (Heated)

    $1,900.00

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    Add to cartDone
  • A 1.59-carat Yellow-Orange Particolored Montana Sapphire (Heated) is shown on a textured gray surface with the “Earth’s Treasury” logo and text visible below.

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

    $2,400.00

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    Add to cartDone
  • A colorless Montana sapphire in our "Helena" oval design

    1.22-Carat Near Colorless Montana Sapphire

    $1,250.00

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

    1.13-Carat Aqua Blue Montana Sapphire

    $1,100.00

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    Add to cartDone
  • A 1.67-carat Light Yellow Montana Sapphire, round and faceted, is shown on a textured gray surface with the "Earth's Treasury" logo below.

    1.67-Carat Light Yellow Montana Sapphire

    $2,500.00

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    Add to cartDone
  • 0.88-Carat Pale Aqua-Gray Montana Sapphire

    0.88-Carat Pale Aqua-Gray Montana Sapphire

    $850.00

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    Add to cartDone
  • 1.05-Carat Light Gray-Blue Montana Sapphire

    1.05-Carat Light Gray-Blue Montana Sapphire

    $800.00

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    Add to cartDone
  • 3.66-Carat Bright Pink California Tourmaline

    3.66-Carat Bright Pink California Tourmaline

    $1,100.00

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    Add to cartDone
  • 3.11-Carat Bright Pink California Tourmaline

    3.11-Carat Bright Pink California Tourmaline

    $935.00

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    Add to cartDone
  • A blue Montana sapphire in a custom oval desing

    0.64-Carat Bluish Violet Montana Sapphire

    $650.00

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    Add to cartDone
  • A faceted pink gemstone, product ET1128, rests on a textured gray surface labeled "Earth's Treasury.

    1.13-Carat Magenta Purple to Hot Pink Color Change Pastel Pyrope Garnet

    $650.00

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    Add to cartDone
  • A faceted gemstone from product ET1127, featuring a pink hue, displayed on a textured gray surface.

    1.29-Carat Magenta Purple to Hot Pink Color Change Pastel Pyrope Garnet

    $800.00

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    Add to cartDone
  • A faceted ET1123 gemstone in purple rests on a textured gray surface.

    1.70-Carat Magenta Purple to Hot Pink Color Change Pastel Pyrope Garnet

    $1,100.00

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    Add to cartDone
  • The ET1181 gemstone, a faceted light green stone, is showcased on a textured grey surface with the words "Earth's Treasury" at the bottom.

    0.51-Carat Bright Mint Green Kornerupine

    $155.00

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    Add to cartDone
  • 1.21-Carat Aqua Blue Montana Sapphire

    1.21-Carat Aqua Blue Montana Sapphire

    $1,200.00

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    Add to cartDone
  • A 1.45-carat Royal Blue Montana Sapphire (heated) is showcased on a textured gray surface, with the "Earth's Treasury" logo and text at the bottom of the image.

    1.45-Carat Violet-Blue Montana Sapphire (Heated)

    $2,900.00

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    Add to cartDone
  • 1.10-Carat Sky Blue Montana Sapphire

    1.10-Carat Sky Blue Montana Sapphire

    $1,650.00

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    Add to cartDone
  • 3.25-Carat Greenish Gold California Tourmaline

    3.25-Carat Greenish Gold California Tourmaline

    $975.00

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    Add to cartDone
  • 1.15-Carat Colorless Montana Sapphire

    1.15-Carat Colorless Montana Sapphire

    $1,100.00

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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.