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  • 1.25-Carat Light Sky Blue Montana Sapphire (Heated)

    1.25-Carat Light Sky Blue Montana Sapphire (Heated)

    $1,800.00

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  • 1.29-Carat Blue-Teal Particolored Montana Sapphire (Heated)

    1.29-Carat Blue-Teal Particolored Montana Sapphire (Heated)

    $1,300.00

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  • 1.46-Carat Golden Yellow Montana Sapphire (Heated)

    1.46-Carat Golden Yellow Montana Sapphire (Heated)

    $1,600.00

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  • 0.72-Carat Golden Yellow Montana Sapphire (Heated)

    0.72-Carat Golden Yellow Montana Sapphire (Heated)

    $700.00

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  • 1.31-Carat Medium Blue Montana Sapphire (Heated)

    1.31-Carat Medium Blue Montana Sapphire (Heated)

    $1,500.00

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  • 1.59-Carat Medium Blue Montana Sapphire (Heated)

    1.59-Carat Medium Blue Montana Sapphire (Heated)

    $3,200.00

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  • A 1.67-carat medium blue heated Montana Sapphire is displayed on a textured surface with the Earth's Treasury logo and name at the bottom.

    1.67-Carat Medium Blue Montana Sapphire (Heated)

    $2,900.00

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  • A 1.70-carat deep peacock blue Montana Sapphire (heated) rests on a textured metallic surface, with the "Earth's Treasury" text and logo displayed below.

    1.70-Carat Deep Peacock Blue Montana Sapphire (Heated)

    $2,900.00

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  • A round, faceted 1.16-carat pale pink Montana Sapphire rests on a textured metallic surface, with the "Earth's Treasury" logo and text below.

    1.16-Carat Pale Pink Montana Sapphire

    $1,950.00

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  • A 1.27-carat blue-aqua particolored Montana Sapphire with a round, geometric cut is displayed on a textured gray surface, featuring the text "Earth's Treasury" at the bottom.

    1.27-Carat Blue-Aqua Particolored Montana Sapphire

    $2,750.00

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  • 2.33-Carat Lavender Nigerian Sapphire

    2.33-Carat Lavender Nigerian Sapphire

    $4,300.00

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  • A 2.53-carat Violet-Blue Umba Sapphire, with intricate faceting, is placed against a textured light grey background, with the text "EARTH'S TREASURY" at the bottom center.

    2.53-Carat Bluish Violet Umba Sapphire

    $2,200.00

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  • 1.14-Carat Yellow-Green Australian Sapphire (Heated)

    1.14-Carat Yellow-Green Australian Sapphire (Heated)

    $1,300.00

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  • 1.28-Carat Yellow-Green Particolored Australian Sapphire (Heated)

    1.28-Carat Yellow-Green Particolored Australian Sapphire (Heated)

    $1,700.00

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  • 1.04-Carat Lemon Yellow Australian Sapphire (Heated)

    1.04-Carat Lemon Yellow Australian Sapphire (Heated)

    $1,200.00

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  • An 18k yellow gold "Cassandra" ring featuring a 1.79-carat Montana sapphire, encircled by clear diamonds, showcased on a green leaf with the "EARTH'S TREASURY" logo at the bottom.The "Cassandra" ring in 18k yellow gold with a 1.79-carat Montana sapphire is displayed upright on a dark rough stone atop a textured gray surface, with the "Earth's Treasury" logo and text at the bottom.

    The “Cassandra” Halo Ring

    $2,700.00

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  • 1.34-Carat Midnight Blue-Green Australian Sapphire

    1.34-Carat Midnight Blue-Green Australian Sapphire

    $1,400.00

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  • 2.88-Carat Midnight Blue-Green Australian Sapphire (Heated)

    2.88-Carat Midnight Blue-Green Australian Sapphire (Heated)

    $2,850.00

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  • The "Harmonia" ring in 14k rose gold with 1.55-Carat Montana sapphireThe "Harmonia" ring in 14k rose gold with 1.55-Carat Montana sapphire

    The “Harmonia” Three-Stone Ring

    $2,150.00

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  • The "Aubrey" ring in 14K yellow gold, featuring a 3.37-carat Montana sapphire, is displayed upright against a green bamboo background.The "Aubrey" ring in 14K yellow gold, featuring a 3.37-carat Montana sapphire and hidden halo, is showcased on a rough blue stone atop a textured gray surface with the "Earth’s Treasury" logo below.

    The “Aubrey” Hidden Halo Solitaire

    $1,900.00

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  • The "Keeley" ring in 14k yellow gold with 1.61-Carat Montana sapphireThe "Keeley" ring in 14k yellow gold with 1.61-Carat Montana sapphire

    The “Keeley” Diamond-Accented Solitaire

    $2,600.00

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  • The "Apollo" ring features a 1.35-carat Montana sapphire set in 14K yellow gold, displayed elegantly on a green and silver background.The "Apollo" ring in 14K yellow gold with a 1.35-carat Montana sapphire is displayed on a rough crystal, with the "Earth's Treasury" logo below.

    The “Apollo” Ring

    $3,300.00

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  • A close-up of "The Ezra Ring" showcasing its silver band and blue hexagon-shaped gemstone with intricate facets. The ring is placed on a green background, with the text "EARTH'S TREASURY" visible at the bottom of the image.A silver ring named "Ezra," adorned with a blue gemstone, is set against a textured gray and blue stone backdrop. The ring features a unique geometric design, showcasing the blue gemstone in a modern, angled setting. The image includes the text "Earth's Treasury" at the bottom.

    The “Ezra” Ring

    $3,100.00

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  • The "Gawain" ring, crafted in unplated 18k palladium white gold with a 0.79-carat Montana sapphire, features geometric patterns along the band and is displayed on a green textured surface.The "Gawain" ring, crafted in unplated 18k palladium white gold with a 0.79-carat Montana sapphire, is shown upright on a textured gray surface. The Earth's Treasury logo appears at the bottom.

    The “Gawain” Ring

    $2,500.00

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    Select optionsDone This product has multiple variants. The options may be chosen on the product page

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.