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  • 0.55-carat red Mozambique ruby (heated), oval-cut with visible inclusions, displayed on a textured surface above the text "EARTH'S TREASURY.

    0.55-Carat Red Mozambique Ruby (Heated)

    $500.00

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  • A 0.67-carat red Mozambique ruby (heated), round and faceted, rests on a textured surface with "EARTH'S TREASURY" shown below.

    0.67-Carat Red Mozambique Ruby (Heated)

    $3,100.00

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  • A 0.44-carat Kornerupine gemstone in mint green rests on a textured gray surface, with the text "EARTH'S TREASURY" displayed at the bottom.

    0.44-Carat Aqua Kornerupine

    $200.00

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  • Displayed on a textured gray surface with the Earth's Treasury logo is a 0.91-carat, cushion-cut Montana sapphire gemstone.

    0.91-Carat Violet-Blue Montana Sapphire (Heated)

    $950.00

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  • 0.69-Carat Bright Pink Sapphire

    0.69-Carat Bright Pink Sapphire

    $850.00

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  • 0.64-Carat Sky Blue Sapphire

    0.64-Carat Sky Blue Sapphire

    $640.00

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  • 0.76-Carat Medium Blue Montana Sapphire (Heated)

    0.76-Carat Medium Blue Montana Sapphire (Heated)

    $700.00

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  • A rectangular, bright green 0.56-carat Colombian emerald with a transparent quality is placed on a textured gray surface, with the text "Earth's Treasury" below.

    0.56-Carat Bright Green Colombian Emerald (Oiled)

    $110.00

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  • 0.85-Carat Rich Sky Blue Montana Sapphire (Heated)

    0.85-Carat Rich Sky Blue Montana Sapphire (Heated)

    $700.00

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  • A 0.79-carat Purple Montana Sapphire with a square step cut is shown on a textured background, featuring the "Earth's Treasury" logo below.

    0.79-Carat Purple Montana Sapphire

    $800.00

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  • 0.78-Carat Golden Yellow Montana Sapphire (Heated)

    0.78-Carat Golden Yellow Montana Sapphire (Heated)

    $700.00

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  • A 0.71-carat Mint Green Garnet, cushion-cut and pale green in color, rests on a textured light gray surface above the “Earth’s Treasury” logo at the bottom of the image.

    0.71-Carat Mint Green Grossular Garnet

    $350.00

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  • 0.80-Carat Sky Blue Montana Sapphire

    0.80-Carat Sky Blue Montana Sapphire

    $1,100.00

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  • 0.62-Carat Light Aqua Blue Montana Sapphire

    0.62-Carat Light Aqua Blue Montana Sapphire

    $650.00

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  • Introducing ET1108: A stunning square-cut green gemstone with precise facets, elegantly displayed on a textured gray surface.

    0.94-Carat Mint Green Merelani Mint Garnet

    $800.00

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  • 0.62-Carat Greenish-Yellow Montana Sapphire

    0.62-Carat Greenish-Yellow Montana Sapphire

    $620.00

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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.