Classic Diamond Round Brilliant

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  • A 2.19-carat heated Montana sapphire, round brilliant cut, is displayed on a textured gray surface with "EARTH'S TREASURY" text at the bottom.

    2.19-Carat Medium Blue Montana Sapphire (Heated)

    $6,150.00

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  • A 2.63-carat heated Montana sapphire, round and faceted in blue, is shown on a textured light surface with the Earth's Treasury logo below.

    2.63-Carat Peacock Blue Montana Sapphire (Heated)

    $7,850.00

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  • A 3.05-carat heated Montana sapphire with a round brilliant cut is displayed on a textured, light-colored surface with the text "EARTH'S TREASURY" below.

    3.05-Carat Peacock-Teal Particolored Montana Sapphire (Heated)

    $10,700.00

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  • A 1.52-carat round brilliant-cut Montana Sapphire is shown on a textured gray surface with "EARTH'S TREASURY" displayed at the bottom.

    1.52-Carat Colorless Montana Sapphire

    $3,500.00

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  • A 4.12-carat heated Montana sapphire, round and faceted in blue-green hues, is displayed on a textured metallic surface with "Earth's Treasury" below.

    4.12-Carat Rich Teal Montana Sapphire (Heated)

    $14,000.00

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  • A 0.82-Carat Montana Sapphire (Heated), round and faceted, is shown on a textured light gray surface with "EARTH'S TREASURY" at the bottom.

    0.82-Carat Medium Blue Montana Sapphire (Heated)

    $700.00

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  • A round, faceted blue 1.89-carat Montana Sapphire (Heated) is displayed on a textured surface, with "Earth's Treasury" written below.

    1.89-Carat Medium Blue Montana Sapphire (Heated)

    $2,950.00

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  • A 2.30-carat heated Montana Sapphire gemstone, round and blue-green with facets, is displayed on a textured gray surface with "EARTH'S TREASURY" below.

    2.30-Carat Deep Blue-Green Montana Sapphire (Heated)

    $6,900.00

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  • A 2.53-carat heated Montana sapphire, round brilliant-cut and blue, is displayed on a textured surface with the text "EARTH'S TREASURY" below it.

    2.53-Carat Medium Blue Montana Sapphire (Heated)

    $9,750.00

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  • A 1.33-carat round-cut heated Montana sapphire is displayed on a textured gray metallic surface with the Earth’s Treasury logo at the bottom.

    1.33-Carat Steely Blue Montana Sapphire (Heated)

    $2,650.00

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  • A 1.50-carat heated Montana sapphire gemstone is shown on a textured gray surface, with the Earth's Treasury logo at the bottom.

    1.50-Carat Teal Blue Montana Sapphire (Heated)

    $3,000.00

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  • A 1.60-carat heated Montana Sapphire, round brilliant-cut and blue, is displayed on a textured gray surface with "EARTH'S TREASURY" at the bottom.

    1.60-Carat Teal Blue Montana Sapphire (Heated)

    $3,950.00

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  • A 2.20-carat round, faceted deep pink Umbalite Garnet is displayed on a textured light gray surface with the text "Earth's Treasury" below.

    2.20-Carat Rich Magenta Pink Rhodolite Garnet

    $1,100.00

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  • A 2.42-carat Umbalite Garnet with a round brilliant cut is displayed on a textured gray surface, with the "EARTH'S TREASURY" text and logo beneath it.

    2.42-Carat Rich Magenta Pink Rhodolite Garnet

    $1,200.00

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  • A 2.56-carat faceted Umbalite Garnet in deep pink is displayed on a textured gray surface with "Earth's Treasury" text below.

    2.56-Carat Rich Magenta Pink Rhodolite Garnet

    $1,300.00

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  • A 2.82-carat Umbalite Garnet, round and faceted in deep pink, rests on a textured gray surface with "EARTH'S TREASURY" at the bottom.

    2.82-Carat Deep Magenta Pink Rhodolite Garnet

    $1,400.00

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  • A 1.97-carat Mahenge Garnet, round and faceted, is displayed on a textured surface with "EARTH'S TREASURY" shown below.

    1.97-Carat Rich Raspberry Pink Mahenge Garnet

    $1,200.00

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  • A round, faceted 2.00-carat Mahenge Garnet gemstone is showcased on a textured surface with the text "EARTH'S TREASURY" at the bottom.

    2.00-Carat Fuchsia Pink Mahenge Garnet

    $1,200.00

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  • A 2.02-carat round-cut Mahenge Garnet is displayed on a textured metallic surface with "EARTH'S TREASURY" at the bottom.

    2.02-Carat Orangey Pink Mahenge Garnet

    $1,200.00

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  • A 0.99-carat Grossular Garnet, round and pale yellow with facets, is shown on a textured gray surface above the "Earth's Treasury" logo and text.

    0.99-Carat Light Yellow Grossular Garnet

    $500.00

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  • A round, faceted 2.77-carat sapphire displayed on a textured light surface with "EARTH'S TREASURY" at the bottom.

    2.77-Carat Colorless Ceylon Sapphire

    $5,550.00

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  • A round brilliant-cut Montana Sapphire (MS-009-250) displayed on a textured surface, featuring the "EARTH'S TREASURY" logo at the bottom.

    1.43-Carat Aqua-Teal Particolored Montana Sapphire (Heated)

    $3,150.00

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  • A 2.12-carat heated Montana sapphire, round and faceted with a blue hue, rests on a textured light surface. "EARTH'S TREASURY" is shown at the image's bottom.

    2.12-Carat Deep Steely Blue to Purple Color Change Montana Sapphire (Heated)

    $5,400.00

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  • A 2.68-carat heated Montana sapphire, cut in a round brilliant style, displayed on a textured light gray surface with the "Earth's Treasury" logo beneath.

    2.68-Carat Peacock Blue Montana Sapphire (Heated)

    $4,800.00

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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.