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  • A round, faceted 0.37-carat Kornerupine gemstone is shown on a textured gray surface with "Earth's Treasury" below.

    0.37-Carat Bright Green Kornerupine

    $150.00

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  • A 0.43-carat, round brilliant-cut green Kornerupine gemstone rests on a light, textured surface with "EARTH'S TREASURY" at the bottom.

    0.43-Carat Bright Green Kornerupine

    $200.00

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  • 1.65-Carat Lavender Umba Sapphire

    1.65-Carat Lavender Umba Sapphire

    $1,350.00

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  • 0.78-Carat Yellow-Gold Particolored Montana Sapphire (Heated)

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

    $700.00

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  • A 0.77-Carat Spessartine Garnet gemstone, featuring a square cut with intricate facets, rests on a textured gray surface.

    0.77-Carat Spessartine Garnet

    $250.00

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  • 0.75-Carat Rich Orange Montana Sapphire (Heated)

    0.75-Carat Rich Orange Montana Sapphire (Heated)

    $650.00

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  • 0.75-Carat Medium Blue Montana Sapphire (Heated)

    0.75-Carat Medium Blue Montana Sapphire (Heated)

    $750.00

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  • 0.62-Carat Light Yellow Montana Sapphire

    0.62-Carat Light Yellow Montana Sapphire

    $650.00

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  • 0.63-Carat Near Colorless Montana Sapphire

    0.63-Carat Near Colorless Montana Sapphire

    $650.00

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  • A particolored Montana sapphire in a classic emerald cut

    0.63-Carat Aqua Blue Montana Sapphire (Heated)

    $625.00

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  • 1.17-Carat Rich Orangey-Pink Umba Sapphire

    1.17-Carat Magenta Pink Umba Sapphire

    $2,900.00

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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.