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  • A 1.13-carat Peacock Blue Montana Sapphire (heated) is shown faceted on a gray stone surface, with the Earth's Treasury logo and name featured at the bottom.

    1.13-Carat Peacock Blue Montana Sapphire (Heated)

    $1,950.00

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  • 1.08-Carat Medium Blue Montana Sapphire (Heated)

    1.08-Carat Medium Blue Montana Sapphire (Heated)

    $1,800.00

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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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  • A white Montana sapphire in our "Aurora" square cushion design

    1.24-Carat Near Colorless Montana Sapphire

    $1,240.00

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  • A 1.06-Carat Hot Pink Sapphire (Heated) with visible inclusions rests on a textured gray surface, with “EARTH’S TREASURY” displayed at the bottom.

    1.06-Carat Hot Pink Sapphire (Heated)

    $795.00

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  • A blue Montana sapphire in an Old European-style cut (OEC)

    0.84-Carat Medium Blue Montana Sapphire (Heated)

    $760.00

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

    0.81-Carat Pale Aqua-Mint Particolored Montana Sapphire

    $675.00

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

    0.82-Carat Grayish Blue Montana Sapphire

    $675.00

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  • A purple Montana sapphire in a classic diamond round brilliant design

    0.81-Carat Violet-Blue Montana Sapphire (Heated)

    $800.00

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

    1.15-Carat Rich Blue-Yellow Particolored Montana Sapphire (Heated)

    $1,700.00

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  • A blue Montana sapphire in our "Stella" square cushion design

    0.96-Carat Medium Blue Montana Sapphire (Heated)

    $1,400.00

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

    0.77-Carat Medium Blue Montana Sapphire (Heated)

    $750.00

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    Add to cartDone
  • A blue Montana sapphire in an Old European-style cut (OEC)

    0.80-Carat Medium Blue Montana Sapphire (Heated)

    $700.00

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    Add to cartDone
  • A yellow Montana sapphire in an Old European-style cut (OEC)

    0.81-Carat Yellow Montana Sapphire (Heated)

    $600.00

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

    0.84-Carat Pale Aqua-Gray Montana Sapphire

    $840.00

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    Add to cartDone
  • 0.82-Carat Pale Aqua Blue Montana Sapphire

    0.82-Carat Pale Aqua Blue 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
  • A 1.58-carat near colorless Montana Sapphire with visible inclusions, oval-cut, rests on a textured surface. The Earth's Treasury logo appears below.

    1.58-Carat Near Colorless Montana Sapphire

    $2,000.00

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  • 0.83-Carat Pale Sky Blue Montana Sapphire

    0.83-Carat Pale Sky Blue Montana Sapphire

    $700.00

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  • 0.83-Carat Sky Blue Montana Sapphire (Heated)

    0.83-Carat Sky Blue Montana Sapphire (Heated)

    $750.00

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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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  • 1.05-Carat Pale Aqua-Gray Montana Sapphire

    1.05-Carat Pale Aqua-Gray Montana Sapphire

    $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.