0.77

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  • A 0.77-carat orange-purple particolored Montana sapphire (heated), cut in a faceted oval shape, is displayed on a textured light surface with the text “Earth’s Treasury” at the bottom.

    0.77-Carat Orange-Purple Particolored Montana Sapphire (Heated)

    $900.00

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  • A 0.77-carat, rectangular faceted Montana sapphire with a pale green hue is displayed on a textured, light-colored surface. The words “EARTH’S TREASURY” appear at the bottom.

    0.77-Carat Pale Mint Green Montana Sapphire (Heated)

    $800.00

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  • A 0.77-carat, round, faceted pale blue Montana sapphire is displayed on a textured gray surface with the text "Earth's Treasury" at the bottom.

    0.77-Carat Light Aqua Montana Sapphire

    $750.00

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  • A 0.77-carat heated Mozambique ruby, expertly faceted and round in shape, is displayed on a textured surface with the words "EARTH'S TREASURY" at the bottom.

    0.77-Carat Red Mozambique Ruby (Heated)

    $1,100.00

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  • A faceted, pear-shaped 0.77-carat grossular garnet with a peach hue rests on a textured gray surface, with the "EARTH'S TREASURY" text and logo displayed at the bottom.

    0.77-Carat Peach Grossular Garnet

    $300.00

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  • A round, faceted 0.77-carat heated Montana sapphire with a blue hue is displayed on a light textured surface, featuring the text "Earth's Treasury" at the bottom.

    0.77-Carat Sky Blue Montana Sapphire (Heated)

    $750.00

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  • 0.77-Carat Yellow Montana Sapphire (Heated)

    0.77-Carat Yellow Montana Sapphire (Heated)

    $580.00

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

    0.77-Carat Rich Sky Blue Montana Sapphire (Heated)

    $700.00

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  • A 0.77-Carat Spessartine Garnet gemstone, featuring a square cut with intricate facets, rests on a textured gray surface.

    0.77-Carat Spessartine Garnet

    $250.00

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  • 0.77-Carat Greenish-Yellow Montana Sapphire (Heated)

    0.77-Carat Greenish-Yellow Montana Sapphire (Heated)

    $700.00

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

    0.77-Carat Medium 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.