Classic Diamond Round Brilliant

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  • 1.08-Carat Orange-Yellow Particolored Montana Sapphire (Heated)

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

    $1,200.00

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  • 0.90-Carat Rich Blue Montana Sapphire (Heated)

    0.90-Carat Rich Blue Montana Sapphire (Heated)

    $1,100.00

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  • 1.06-Carat Medium Blue Montana Sapphire (Heated)

    1.06-Carat Medium Blue Montana Sapphire (Heated)

    $1,600.00

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  • 0.90-Carat Medium Blue Montana Sapphire (Heated)

    0.90-Carat Medium Blue Montana Sapphire (Heated)

    $900.00

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  • 0.83-Carat Medium Blue Montana Sapphire (Heated)

    0.83-Carat Medium Blue Montana Sapphire (Heated)

    $800.00

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  • 1.27-Carat Peacock Blue Montana Sapphire (Heated)

    1.27-Carat Peacock Blue Montana Sapphire (Heated)

    $1,250.00

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  • The 1.24-Carat Medium Blue Montana Sapphire (Heated) features a round brilliant cut and radiant medium blue hue, showcased on textured light gray with the "Earth's Treasury" logo beneath it.

    1.24-Carat Medium Blue Montana Sapphire (Heated)

    $1,900.00

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  • A 1.27-carat rich blue Montana Sapphire (heated), cut in a round brilliant shape, is displayed on a textured gray surface with "EARTH'S TREASURY" underneath.

    1.27-Carat Rich Blue Montana Sapphire (Heated)

    $2,200.00

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  • 1.53-Carat Peacock Blue Montana Sapphire (Heated)

    1.53-Carat Peacock Blue Montana Sapphire (Heated)

    $1,500.00

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  • A 2.91-carat pale pink Montana sapphire, featuring a round faceted design and a light, translucent appearance, rests on a textured gray surface.

    2.91-Carat Near Colorless Montana Sapphire

    $7,300.00

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  • 1.12-Carat Medium Blue Montana Sapphire (Heated)

    1.12-Carat Medium Blue Montana Sapphire (Heated)

    $1,900.00

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  • 1.18-Carat Aqua Blue Montana Sapphire (Heated)

    1.18-Carat Aqua Blue Montana Sapphire (Heated)

    $1,750.00

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  • 1.21-Carat Rich Blue Montana Sapphire (Heated)

    1.21-Carat Rich Blue Montana Sapphire (Heated)

    $1,800.00

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    Add to cartDone
  • 1.57-Carat Peacock Blue Montana Sapphire (Heated)

    1.57-Carat Peacock Blue Montana Sapphire (Heated)

    $3,100.00

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  • 1.33-Carat Medium Blue Montana Sapphire (Heated)

    1.33-Carat Medium Blue Montana Sapphire (Heated)

    $1,100.00

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    Add to cartDone
  • A 1.29-carat medium blue heated Montana Sapphire, round brilliant-cut, rests on a textured wooden surface with the Earth’s Treasury logo below.

    1.29-Carat Medium Blue Montana Sapphire (Heated)

    $2,600.00

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  • 0.67-Carat Pale Blue Montana Sapphire

    0.67-Carat Pale Blue Montana Sapphire

    $675.00

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  • 0.67-Carat Colorless Montana Sapphire

    0.67-Carat Colorless Montana Sapphire

    $675.00

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  • 0.74-Carat Light Yellow Particolored Montana Sapphire

    0.74-Carat Light Yellow Particolored Montana Sapphire

    $700.00

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  • 0.70-Carat Gold-Yellow Bicolored Montana Sapphire (Heated)

    0.70-Carat Gold-Yellow Bicolored Montana Sapphire (Heated)

    $700.00

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  • 0.93-Carat Greenish-Yellow Montana Sapphire (Heated)

    0.93-Carat Greenish-Yellow Montana Sapphire (Heated)

    $900.00

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  • 1.06-Carat Rich Blue Montana Sapphire (Heated) in round brilliant cut displayed on a textured gray surface, featuring the "Earth's Treasury" logo at the bottom.

    1.06-Carat Rich Blue Montana Sapphire (Heated)

    $1,950.00

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  • 1.10-Carat Teal Blue Montana Sapphire (Heated)

    1.10-Carat Teal Blue Montana Sapphire (Heated)

    $1,650.00

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  • A 1.14-carat rich blue Montana Sapphire (heated), round brilliant-cut, is shown on a textured gray surface with "EARTH'S TREASURY" visible beneath the gem.

    1.14-Carat Rich Blue Montana Sapphire (Heated)

    $2,250.00

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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.