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  • 1.07-Carat Medium Blue Montana Sapphire (Heated)

    1.07-Carat Medium Blue Montana Sapphire (Heated)

    $1,900.00

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  • 1.08-Carat Robin's Egg Blue Montana Sapphire (Heated)

    1.08-Carat Robin’s Egg Blue Montana Sapphire (Heated)

    $1,350.00

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  • 1.01-Carat Teal Blue Montana Sapphire (Heated)

    1.01-Carat Teal Blue Montana Sapphire (Heated)

    $1,250.00

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  • 1.26-Carat Orange-Green Particolored Montana Sapphire (Heated)

    1.26-Carat Orange-Green Particolored Montana Sapphire (Heated)

    $1,500.00

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

    0.77-Carat Greenish-Yellow Montana Sapphire (Heated)

    $700.00

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  • 0.81-Carat Medium Blue Montana Sapphire (Heated)

    0.81-Carat Medium Blue Montana Sapphire (Heated)

    $800.00

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

    0.71-Carat Yellow-Gold Particolored Montana Sapphire (Heated)

    $600.00

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  • 1.26-Carat Rich Blue Montana Sapphire (Heated)

    1.26-Carat Rich Blue Montana Sapphire (Heated)

    $2,300.00

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  • 1.95-Carat Deep Blue-Yellow Particolored Montana Sapphire (Heated)

    1.95-Carat Deep Blue-Yellow Particolored Montana Sapphire (Heated)

    $4,400.00

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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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  • 0.90-Carat Medium Blue Montana Sapphire (Heated)

    0.90-Carat Medium Blue Montana Sapphire (Heated)

    $900.00

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

    0.65-Carat Medium Blue Montana Sapphire (Heated)

    $650.00

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  • 0.68-Carat Yellow Montana Sapphire (Heated)

    0.68-Carat Yellow Montana Sapphire (Heated)

    $700.00

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  • 0.70-Carat Aqua Blue Montana Sapphire (Heated)

    0.70-Carat Aqua Blue Montana Sapphire (Heated)

    $700.00

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  • A radiant light yellow Montana sapphire, weighing 1.09 carats, is showcased on a textured, geometric-patterned surface. The gemstone features an intricate cut, displaying vibrant hues of yellow. The logo "Earth’s Treasury" is visible at the bottom of the image.

    0.90-Carat Aqua Blue Montana Sapphire

    $1,250.00

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  • 0.73-Carat Medium Blue Montana Sapphire

    0.73-Carat Medium Blue Montana Sapphire

    $750.00

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  • 0.62-Carat Pale Yellow Montana Sapphire

    0.62-Carat Pale Yellow Montana Sapphire

    $620.00

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  • 9.77-Carat Vivid Blue Tanzanite

    9.77-Carat Vivid Blue Tanzanite

    $5,900.00

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  • 1.87-Carat Light Violet Blue Tanzanite

    1.87-Carat Light Violet Blue Tanzanite

    $750.00

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  • 3.99-Carat Medium Blue Tanzanite

    3.99-Carat Violet-Blue Tanzanite

    $2,300.00

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  • 2.79-Carat Royal Blue Tanzanite

    2.79-Carat Royal Blue Tanzanite

    $1,395.00

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  • A 0.79-carat Purple Montana Sapphire with a square step cut is shown on a textured background, featuring the "Earth's Treasury" logo below.

    0.79-Carat Purple Montana Sapphire

    $800.00

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  • A 1.37-carat Teal Blue Montana Sapphire (Heated), faceted and round, is shown on a textured light surface with "Earth's Treasury" written beneath the stone.

    1.37-Carat Teal Blue Montana Sapphire (Heated)

    $2,100.00

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  • A 1.50-carat Rich Blue Montana Sapphire (Heated) rests elegantly on a white surface, its deep blue hue captivating the eye.

    1.50-Carat Rich Blue Montana Sapphire (Heated)

    $3,300.00

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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.