Eureka

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  • 1.15-Carat Blue-Green Montana Sapphire (Heated)

    1.15-Carat Blue-Green Montana Sapphire (Heated)

    $1,400.00

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  • The 2.63-Carat Nasarawa Teal Aqua sapphire, with its rectangular shape and slightly rounded corners, is showcased on a textured gray surface.

    2.63-Carat Nasarawa Teal Aqua

    $1,600.00

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  • A faceted blue gemstone with a radiant cut placed on a textured background. Text below reads "1.39-Carat Nasarawa Teal Aqua by Earth's Treasury.

    1.39-Carat Nasarawa Teal Aqua

    $1,750.00

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  • A faceted, rectangular 1.45-Carat Mauve Purple Montana Sapphire with internal reflections rests on a textured gray surface, with the "Earth's Treasury" logo and text below.

    1.45-Carat Mauve Purple Montana Sapphire

    $1,950.00

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  • 0.81-Carat Deep Blue Montana Sapphire (Heated)

    0.81-Carat Deep Blue Montana Sapphire (Heated)

    $900.00

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  • 1.21-Carat Aqua Blue Montana Sapphire (Heated)

    1.21-Carat Aqua Blue Montana Sapphire (Heated)

    $1,500.00

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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 blue Montana sapphire in our "Eureka" rectangle design

    1.29-Carat Medium Blue Montana Sapphire (Heated)

    $1,300.00

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  • A rectangular pink gemstone with brilliant facets placed on a textured grey surface. Text at the bottom reads "ET1625 Earth's Treasury.

    1.58-Carat Light Pink Tourmaline

    $590.00

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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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  • 1.06-Carat Medium Blue Montana Sapphire

    1.06-Carat Medium Blue Montana Sapphire

    $2,350.00

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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.