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  • A blue-green Montana sapphire in our "Eureka" rectangle design

    1.12-Carat Peacock Blue Montana Sapphire (Heated)

    $1,900.00

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  • A yellow Montana sapphire in a custom rectangle design

    1.02-Carat Pale Yellow Montana Sapphire

    $1,500.00

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  • A 0.90-carat heated Montana sapphire, square-cut and blue, displayed on a textured gray surface with "EARTH'S TREASURY" at the bottom.

    0.90-Carat Aqua Blue Montana Sapphire (Heated)

    $1,100.00

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  • A round, faceted 1.03-carat heated Montana sapphire with a blue hue rests on a textured metallic surface, with "EARTH'S TREASURY" displayed below.

    1.03-Carat Medium Blue Montana Sapphire (Heated)

    $1,800.00

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  • 1.05-Carat Aqua-Sky Blue Particolored Montana Sapphire

    1.05-Carat Aqua-Sky Blue Particolored Montana Sapphire

    $1,800.00

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  • A 1.33-Carat Gray-Aqua Montana Sapphire rests on a textured metallic surface, with the Earth's Treasury logo and text displayed below.

    1.33-Carat Gray-Aqua Montana Sapphire

    $1,995.00

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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.