0.83

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  • The 0.83-Carat Maine Tourmaline, a round faceted light green gemstone, rests on a textured metallic surface with the Earth's Treasury logo below.

    0.83-Carat Light Aqua Maine Tourmaline

    $350.00

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  • A round, faceted pale green 0.83-carat Montana Sapphire (Heated) rests on a textured gray surface, with "Earth's Treasury" displayed at the bottom.

    0.83-Carat Light Yellow-Green Particolored Montana Sapphire (Heated)

    $850.00

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  • A rectangular, faceted 0.83-carat Montana Sapphire with a light gray hue is displayed on a textured, light-colored surface. The text "EARTH'S TREASURY" appears at the bottom.

    0.83-Carat Gray Montana Sapphire

    $800.00

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  • A rectangular, faceted 0.83-carat heated Montana sapphire with a blue-green hue is displayed on a textured light gray surface above the text "EARTH'S TREASURY.

    0.83-Carat Light Aqua Blue Montana Sapphire (Heated)

    $800.00

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  • A pale mint green, trillion-cut grossular garnet weighing 0.83 carats rests on a textured light gray surface with the text "Earth's Treasury" at the bottom.

    0.83-Carat Near Colorless Grossular Garnet

    $400.00

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  • 0.83-Carat Aqua Blue Montana Sapphire (Heated)

    0.83-Carat Aqua Blue Montana Sapphire (Heated)

    $830.00

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  • A 0.83-carat golden yellow Montana sapphire, heated and cut in a round brilliant shape, rests on a textured gray surface. The gem displays vibrant facets of yellow and green, reflecting light. The text "Earth's Treasury" is visible at the bottom of the image.

    0.83-Carat Golden Yellow Montana Sapphire (Heated)

    $800.00

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  • A blue Montana sapphire in our "Testudo" oval design

    0.83-Carat Sky Blue Montana Sapphire (Heated)

    $800.00

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  • 0.83-Carat Midnight Blue Australian Sapphire (Heated)

    0.83-Carat Midnight Blue Australian Sapphire (Heated)

    $800.00

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  • 0.83-Carat Pale Blue Montana Sapphire

    0.83-Carat Pale Blue Montana Sapphire

    $650.00

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  • 0.83-Carat Medium Blue Montana Sapphire (Heated)

    0.83-Carat Medium Blue Montana Sapphire (Heated)

    $800.00

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

    0.83-Carat Near Colorless Montana Sapphire

    $675.00

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  • 0.83-Carat Aqua Blue Montana Sapphire

    0.83-Carat Aqua Blue Montana Sapphire

    $700.00

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    Add to cartDone
  • 0.83-Carat Pale Sky Blue Montana Sapphire

    0.83-Carat Pale Sky Blue Montana Sapphire

    $700.00

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  • 0.83-Carat Sky Blue Montana Sapphire (Heated)

    0.83-Carat Sky Blue Montana Sapphire (Heated)

    $750.00

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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.