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

    0.85-Carat Teal Blue Montana Sapphire (Heated)

    $850.00

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  • 0.89-Carat Light Yellow Montana Sapphire (Heated)

    0.89-Carat Light Yellow Montana Sapphire (Heated)

    $700.00

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  • 0.94-Carat Medium Blue Montana Sapphire (Heated)

    0.94-Carat Medium Blue Montana Sapphire (Heated)

    $900.00

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

    1.25-Carat Medium Blue Montana Sapphire (Heated)

    $1,900.00

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  • 0.91-Carat Pastel Yellow Montana Sapphire

    0.91-Carat Pastel Yellow Montana Sapphire

    $740.00

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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.