Color-Change

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  • A color-change Montana sapphire in a classic diamond round brilliant design

    1.22-Carat Steely Blue-Green to Purple Color Change Montana Sapphire (Heated)

    $1,600.00

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  • A color-change Montana sapphire in our "Serendipity" oval design

    1.08-Carat Gray to Purple Color Change Montana Sapphire (Heated)

    $1,900.00

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  • 1.94-Carat Olive Green to Olive Brown Color Change Australian Sapphire (Heated)

    1.94-Carat Olive Green to Olive Brown Color Change Australian Sapphire (Heated)

    $1,900.00

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  • A faceted 2.34-carat gemstone that shifts from pale gray-lavender to pink-purple rests on a textured metallic surface, with the text "Earth's Treasury" inscribed below it.

    2.34-Carat Pale Gray-Lavender to Pink-Purple Color Change Umba Sapphire

    $4,300.00

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  • 1.08-Carat Deep Blue-Purple Color-Change Songea Sapphire

    1.09-Carat Steely Blue to Purple Color-Change Songea Sapphire

    $1,600.00

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  • The ET1993, a square-cut purple gemstone with intricate facets, is elegantly displayed on a textured gray surface.

    1.53-Carat Magenta Purple to Intense Pink Color Change Garnet

    $1,250.00

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  • A faceted pink gemstone, product ET1128, rests on a textured gray surface labeled "Earth's Treasury.

    1.13-Carat Magenta Purple to Hot Pink Color Change Pastel Pyrope Garnet

    $650.00

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  • A faceted gemstone from product ET1127, featuring a pink hue, displayed on a textured gray surface.

    1.29-Carat Magenta Purple to Hot Pink Color Change Pastel Pyrope Garnet

    $800.00

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  • A faceted ET1123 gemstone in purple rests on a textured gray surface.

    1.70-Carat Magenta Purple to Hot Pink Color Change Pastel Pyrope Garnet

    $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.