0.81

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  • A 0.81-carat color-change garnet, faceted in an oval shape with a deep purple hue, is showcased on a textured gray surface, featuring the "EARTH’S TREASURY" text at the bottom.

    0.81-Carat Deep Violet to Magenta Purple Color Change Garnet

    $650.00

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  • A 0.81-carat oval-cut Colombia emerald (oiled) rests on a textured metallic surface, with "EARTH'S TREASURY" displayed at the bottom.

    0.81-Carat Rich Green Colombian Emerald (Oiled)

    $1,500.00

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  • A 0.81-carat heated Montana sapphire with a rich blue hue rests on a textured light gray surface, featuring the "EARTH'S TREASURY" text and a hexagon logo at the bottom.

    0.81-Carat Medium Blue Montana Sapphire (Heated)

    $850.00

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  • A 0.81-carat heated Montana sapphire, round brilliant-cut in blue-green, is displayed on a textured gray surface with the text "EARTH'S TREASURY" at the bottom.

    0.81-Carat Light Aqua Montana Sapphire (Heated)

    $900.00

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  • The 0.81-Carat Montana Sapphire, a faceted near colorless gemstone, is shown on a textured geometric surface with "EARTH'S TREASURY" displayed at the bottom.

    0.81-Carat Near Colorless Montana Sapphire

    $700.00

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  • 0.81-carat Montana sapphire, heated, featuring a brilliant blue gemstone with glistening facets on a textured gray surface.

    0.81-Carat Medium Blue Montana Sapphire (Heated)

    $700.00

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  • A round, faceted blue 0.81-carat Montana Sapphire (heated) placed on a textured gray surface, with the text "Earth's Treasury" at the bottom.

    0.81-Carat Medium Blue Montana Sapphire (Heated)

    $700.00

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  • A rectangular faceted-cut blue gemstone, identified as a 0.81-carat Montana Sapphire (Heated), is showcased on a textured surface with the Earth's Treasury logo visible below.

    0.81-Carat Medium Blue Montana Sapphire (Heated)

    $800.00

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  • A round, faceted 0.81-carat Montana Sapphire with a blue hue is placed on a textured, light gray surface. The image features the text "Earth's Treasury" at the bottom.

    0.81-Carat Sky Blue Montana Sapphire (Heated)

    $800.00

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

    0.81-Carat Rich Sky Blue Montana Sapphire (Heated)

    $810.00

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  • An aqua Montana sapphire in our "Serendipity" oval design

    0.81-Carat Aqua Blue Montana Sapphire (Heated)

    $800.00

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  • 0.81-Carat Medium Blue Montana Sapphire (Heated)

    0.81-Carat Medium Blue Montana Sapphire (Heated)

    $800.00

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  • 0.81-Carat Pale Aqua Montana Sapphire

    0.81-Carat Pale Aqua Montana Sapphire

    $780.00

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  • 0.81-Carat Medium Blue Montana Sapphire (Heated)

    0.81-Carat Medium Blue Montana Sapphire (Heated)

    $800.00

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  • 0.81-Carat Robin's Egg Blue Montana Sapphire

    0.81-Carat Robin’s Egg Blue Montana Sapphire

    $1,000.00

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  • 0.81-Carat Lemon Yellow Montana Sapphire

    0.81-Carat Lemon Yellow Montana Sapphire

    $900.00

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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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  • A white Umba sapphire in a classic diamond round brilliant design

    0.81-Carat Colorless Umba Sapphire

    $600.00

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  • A particolored Montana sapphire in a classic diamond round brilliant design

    0.81-Carat Opalescent Pale Aqua Montana Sapphire

    $675.00

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  • A purple Montana sapphire in a classic diamond round brilliant design

    0.81-Carat Violet-Blue Montana Sapphire (Heated)

    $800.00

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  • A yellow Montana sapphire in an Old European-style cut (OEC)

    0.81-Carat Yellow Montana Sapphire (Heated)

    $600.00

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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.