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Showing 73–79 of 79 resultsSorted by latest

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

    1.07-Carat Deep Peacock Blue Montana Sapphire (Heated)

    $1,700.00

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  • A 1.52-carat sky blue Montana Sapphire (heated) with a radiant cut and starburst pattern rests on a textured gray surface, featuring the "Earth’s Treasury" logo below.

    1.52-Carat Sky Blue Montana Sapphire (Heated)

    $3,300.00

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

    0.89-Carat Teal Blue Montana Sapphire (Heated)

    $900.00

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

    1.13-Carat Medium Blue Montana Sapphire (Heated)

    $1,800.00

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

    0.94-Carat Medium Blue Montana Sapphire (Heated)

    $1,100.00

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  • 0.88-Carat Pale Aqua-Gray Montana Sapphire

    0.88-Carat Pale Aqua-Gray Montana Sapphire

    $850.00

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

    1.05-Carat Blue-Yellow Parti-Colored Montana Sapphire (Heated)

    $1,300.00

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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.