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  • A 3.87-carat heated sapphire, hexagon-cut and blue-green in color, is shown on a textured gray surface with the "EARTH'S TREASURY" logo at the bottom.

    3.87-Carat Rich Bluish Green Madagascar Sapphire (Heated)

    $11,600.00

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  • A 4.96-carat heated Montana sapphire, cut in a faceted oval shape and vibrant blue, is showcased on a textured surface with the "Earth's Treasury" text and logo beneath it.

    4.96-Carat Deep Blue-Green Montana Sapphire (Heated)

    $9,000.00

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  • A 3.55-carat unheated tanzanite (zoisite) gemstone in blue-purple hues is displayed on a textured surface with "Earth's Treasury" beneath it.

    3.55-Carat Bluish Violet Unheated Tanzanite (Zoisite)

    $2,100.00

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  • 5.01-Carat Violet Unheated Tanzanite (Zoisite)

    5.01-Carat Violet Unheated Tanzanite (Zoisite)

    $3,750.00

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  • 3.33-Carat Violet Unheated Tanzanite (Zoisite)

    3.33-Carat Violet Unheated Tanzanite (Zoisite)

    $2,300.00

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  • 4.98-Carat Purple-Blue Tanzanite

    4.98-Carat Purple-Blue Tanzanite

    $3,000.00

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  • 3.66-Carat Bright Pink California Tourmaline

    3.66-Carat Bright Pink California Tourmaline

    $1,100.00

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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.