1.75

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  • A 1.75-carat Montana sapphire (heated), cut in a round brilliant style and showing blue-green and purple hues, displayed on a textured light surface; “EARTH’S TREASURY” text and logo at the bottom.

    1.75-Carat Blue-Purple-Green Particolored Montana Sapphire (Heated)

    $3,950.00

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  • A 1.75-carat heated Montana sapphire, cushion-cut and blue in color, is displayed on a textured gray surface with the Earth's Treasury logo and text visible at the bottom.

    1.75-Carat Teal Blue Montana Sapphire (Heated)

    $2,600.00

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  • A 1.75-carat aqua blue-green Montana sapphire (heated), cut with round facets, is displayed on a textured gray surface featuring the "Earth's Treasury" logo at the bottom.

    1.75-Carat Aqua Blue-Green Montana Sapphire (Heated)

    $4,300.00

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  • A round, faceted 1.75-carat Montana Sapphire (Heated) with a starburst pattern sits on a textured, light surface. The "EARTH'S TREASURY" logo is displayed at the bottom of the image.

    1.75-Carat Cornflower Blue Ceylon Sapphire (Heated)

    $6,900.00

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  • A 1.75-carat pastel pyrope garnet, cut in a faceted oval shape, rests on a textured gray surface with "EARTH'S TREASURY" at the bottom.

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

    $900.00

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  • A 1.75-carat heated Montana sapphire gemstone is displayed on a textured pale surface with "EARTH'S TREASURY" printed below.

    1.75-Carat Teal Blue Montana Sapphire (Heated)

    $2,350.00

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  • A faceted, oval 1.75-carat Montana Sapphire (heated) is showcased on a textured gray surface with "EARTH'S TREASURY" text at the bottom.

    1.75-Carat Peacock Blue Montana Sapphire (Heated)

    $2,350.00

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  • A 1.75-carat heated Montana sapphire, cut in a faceted oval shape, is displayed on a textured light-colored surface with "EARTH'S TREASURY" below.

    1.75-Carat Peacock Blue Montana Sapphire (Heated)

    $3,950.00

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  • 1.75-carat Ceylon sapphire (heated) on a textured surface.

    1.75-Carat Violet-Blue Ceylon Sapphire (Heated)

    $3,950.00

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  • A 1.75-carat heated Montana Sapphire in medium blue, cut in a round brilliant style, is displayed on a textured surface with the "Earth's Treasury" logo beneath it.

    1.75-Carat Medium Blue Montana Sapphire (Heated)

    $2,750.00

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  • A 1.75-carat near colorless Montana sapphire with a brilliant cut is displayed against a light grey textured background. The gemstone's intricate facets reflect light, creating a sparkling effect. Below the gemstone, the text "EARTH'S TREASURY" appears in black, along with a small geometric icon.

    1.75-Carat Near Colorless Montana Sapphire (Heated)

    $2,500.00

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  • A 1.75-carat yellow-orange particolored Montana Sapphire (heated) is displayed on a textured surface with the "Earth's Treasury" logo and text below it.

    1.75-Carat Yellow-Orange Particolored Montana Sapphire (Heated)

    $2,200.00

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    Add to cartDone
  • 1.75-Carat Greenish Yellow Australian Sapphire (Heated)

    1.75-Carat Greenish Yellow Australian Sapphire (Heated)

    $1,850.00

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    Add to cartDone
  • 1.75-Carat Blue-Green Umba Sapphire

    1.75-Carat Blue-Green Umba Sapphire

    $1,750.00

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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.