Classic Diamond Round Brilliant

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

    0.84-Carat Pale Aqua-Gray Montana Sapphire

    $840.00

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  • A 1.01-carat light aqua blue Montana sapphire, round-cut and radiant, rests on a textured gray surface with "EARTH'S TREASURY" written below.

    1.01-Carat Light Aqua Blue Montana Sapphire

    $2,000.00

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  • 1.26-Carat Bright Yellow Montana Sapphire

    1.26-Carat Bright Yellow Montana Sapphire

    $1,260.00

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  • 0.82-Carat Pale Aqua Blue Montana Sapphire

    0.82-Carat Pale Aqua Blue Montana Sapphire

    $850.00

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  • 0.85-Carat Light Aqua Montana Sapphire

    0.85-Carat Light Aqua Montana Sapphire

    $800.00

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

    1.05-Carat Blue-Yellow Parti-Colored Montana Sapphire (Heated)

    $1,300.00

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

    1.10-Carat Medium Blue Montana Sapphire (Heated)

    $1,100.00

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  • A 1.62-carat deep blue heated Montana Sapphire, round and faceted, is shown on a textured gray surface with the "Earth's Treasury" logo and text at the bottom.

    1.62-Carat Deep Blue Montana Sapphire (Heated)

    $2,835.00

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  • 1.76-Carat Deep Blue-Green Montana Sapphire (Heated)

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

    $1,760.00

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  • A 1.36-carat greenish-yellow Montana Sapphire (heated) is shown on a textured surface, radiating brilliance above the Earth’s Treasury logo and name at the bottom.

    1.36-Carat Greenish-Yellow Montana Sapphire (Heated)

    $2,000.00

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  • 0.83-Carat Aqua Blue Montana Sapphire

    0.83-Carat Aqua Blue Montana Sapphire

    $700.00

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  • 1.40-Carat Aqua Blue Montana Sapphire

    1.40-Carat Pale Blue Montana Sapphire

    $1,750.00

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  • A faceted green gemstone, product ET1090, displayed on a textured gray surface.

    1.08-Carat Greenish-Yellow Mali Garnet

    $325.00

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  • A round brilliant cut yellow gemstone, product ET1087, on a textured gray surface.

    1.25-Carat Greenish-Yellow Mali Garnet

    $450.00

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  • 0.83-Carat Pale Sky Blue Montana Sapphire

    0.83-Carat Pale Sky Blue Montana Sapphire

    $700.00

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  • 1.28-Carat Peacock Blue Montana Sapphire (Heated)

    1.28-Carat Peacock Blue Montana Sapphire (Heated)

    $1,900.00

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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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  • 0.87-Carat Bright Yellow Montana Sapphire

    0.87-Carat Bright Yellow Montana Sapphire

    $700.00

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  • A 1.13-carat light aqua blue Montana sapphire displayed on a textured background. The gemstone, featuring a light blue hue, catches the light, revealing its facets. Below, text reads "EARTH'S TREASURY" with a logo icon between the words.

    1.13-Carat Light Aqua Blue Montana Sapphire

    $1,100.00

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  • 1.13-Carat Medium Blue Montana Sapphire (Heated)

    1.13-Carat Medium Blue Montana Sapphire (Heated)

    $1,695.00

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  • 0.98-Carat Sky Blue Montana Sapphire (Heated)

    0.98-Carat Sky Blue Montana Sapphire (Heated)

    $1,000.00

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  • A 1.10-carat bright blue Umba sapphire is set against a textured gray background. The gemstone is intricately faceted, displaying a vibrant mix of light and dark blue hues. At the bottom of the image, the text reads "Earth's Treasury" with a geometric logo beside it.

    1.10-Carat Bright Blue Umba Sapphire

    $1,650.00

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

    1.11-Carat Violet-Blue Umba Sapphire

    $1,650.00

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  • 2.16-carat hot pink spinel with facets, resting on a textured surface.

    2.16-Carat Bubblegum Pink Spinel

    $4,300.00

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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.