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  • The "Cordelia" ring in 14K rose gold showcases a 1.38-carat Montana sapphire surrounded by small diamonds, set upright on a dark mineral rock with “Earth’s Treasury” branding below.The "Cordelia" ring in 14K rose gold showcases a 1.38-carat Montana sapphire surrounded by small diamonds, set upright on a dark mineral rock with “Earth’s Treasury” branding below.

    The “Cordelia” Halo Ring

    $2,450.00

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  • The "Lorelei" ring in platinum with 3.59-carat Ceylon sapphireThe "Lorelei" ring in platinum with 3.59-carat Ceylon sapphire

    The “Lorelei” Halo Ring

    $3,500.00

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  • The "Damara" ring in 18k yellow gold showcases a 2.44-carat Madagascar sapphire center stone, accented by two clear stones, elegantly displayed atop a rough blue mineral on a textured gray surface.The "Damara" ring in 18k yellow gold showcases a 2.44-carat Madagascar sapphire center stone, accented by two clear stones, elegantly displayed atop a rough blue mineral on a textured gray surface.

    The “Damara” Three-Stone Ring

    $3,850.00

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  • The "Mavis" ring in 14k yellow gold, upgraded with 4.5mm diamonds, with 2.09-carat Montana sapphireThe "Mavis" ring in 14k yellow gold, upgraded with 4.5mm diamonds, with 2.09-carat Montana sapphire

    The Cathedral “Mavis” Three-Stone Ring

    $2,700.00

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  • The “Guinevere” ring in platinum with 2.13-carat Montana sapphireThe “Guinevere” ring in platinum with 2.13-carat Montana sapphire

    The “Guinevere” Solitaire

    $2,100.00

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  • A platinum "Winnie" ring featuring a 0.95-carat Montana sapphire, beautifully set against a vibrant green leaf backdrop in a twisted design.The "Winnie" ring, crafted in platinum with a 0.95-carat Montana sapphire, elegantly displayed on a textured blue-green surface like the soothing notes of music.

    The “Winnie” Solitaire

    $1,800.00

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  • A platinum "Ripple" ring featuring a 1.23-carat Montana sapphire stands upright on a green leaf, with the Earth’s Treasury logo at the bottom.The "Ripple" ring in platinum, featuring a 1.23-carat Montana sapphire, is shown on a rough blue stone with a patterned gray background. "EARTH'S TREASURY" is displayed at the bottom.

    The “Ripple” Solitaire

    $1,700.00

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  • 1.35-Carat Pale Pink-Lavender Bicolored Umba Sapphire

    1.35-Carat Pale Pink-Lavender Bicolored Umba Sapphire

    $900.00

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  • The Deluxe "Nebula" ring in 14k rose gold with 2.00-carat Montana sapphireThe Deluxe "Nebula" ring in 14k rose gold with 2.00-carat Montana sapphire

    The Deluxe “Nebula” Cluster Ring

    $2,500.00

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  • The Pave "Katya" ring in platinum with 1.60-Carat Montana SapphireThe Pave "Katya" ring in platinum with 1.60-Carat Montana Sapphire

    The Pave “Katya” Hidden Halo Ring

    $2,450.00

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  • The “Rayne” ring in 14k yellow gold with 1.28-Carat Australian SapphireThe “Rayne” ring in 14k yellow gold with 1.28-Carat Australian Sapphire

    The “Rayne” Cluster Ring

    $2,900.00

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  • The "Kelli" ring in 14k yellow gold with 1.73-carat Montana sapphireThe "Kelli" ring in 14k yellow gold with 1.73-carat Montana sapphire

    The “Kelli” Ring

    $1,950.00

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  • A gold Gaines, John (Jeremy) pendant with a round blue gemstone and six small diamonds, shown on a green leaf next to the Lipara Ring and the Earth's Treasury logo below.The Gaines, John (Jeremy) gold Lipara Ring with a round white gemstone in a decorative setting is displayed upright on textured gray, dark stone behind, Earth’s Treasury logo below.

    The “Lipara” Ring

    $2,200.00

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  • The "Narcissus" in 18k yellow gold with 1.27-carat Australian sapphireThe "Narcissus" in 18k yellow gold with 1.27-carat Australian sapphire

    The “Narcissus” Solitaire

    $1,950.00

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  • The Milgrain "Cathedral" ring in platinum with 1.66-Carat Montana SapphireThe Milgrain "Cathedral" ring in platinum with 1.66-Carat Montana Sapphire

    The Milgrain “Cathedral” Solitaire

    $1,900.00

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  • The “Selene” Ring in platinum with 0.84-Carat Montana SapphireThe “Selene” Ring in platinum with 0.84-Carat Montana Sapphire

    The “Selene” Ring

    $1,900.00

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  • The "Ilana" Ring in 14k yellow gold with 1.39-Carat Montana SapphireThe "Ilana" Ring in 14k yellow gold with 1.39-Carat Montana Sapphire

    The “Ilana” Cluster Ring

    $2,900.00

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  • The "Moirae" ring in 14k white gold, featuring a 1.05-carat Australian sapphire, rests atop a rough blue stone on a textured gray surface. The Earth's Treasury logo is shown at the bottom.The "Moirae" ring in 14k white gold, featuring a 1.05-carat Australian sapphire, rests atop a rough blue stone on a textured gray surface. The Earth's Treasury logo is shown at the bottom.

    The “Moirae” Cluster Ring

    $2,800.00

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  • The "Corvus" Ring in platinum, set with a 1.00-carat Australian sapphire, is displayed on a green stem with the "EARTH'S TREASURY" logo beneath.A close-up of the Foy, Andrew ring—a silver band with a blue gemstone—viewed from the side on a textured gray surface, with the "Earth's Treasury" logo beneath.

    The “Corvus” Ring

    $2,800.00

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  • The "Solstice" ring in 14K yellow gold features a 0.90-carat Montana sapphire center stone with diamond accents, displayed on a blue-green mineral. The Earth’s Treasury logo appears below, evoking Solstice brilliance.The "Solstice" ring in 14K yellow gold features a 0.90-carat Montana sapphire center stone with diamond accents, displayed on a blue-green mineral. The Earth’s Treasury logo appears below, evoking Solstice brilliance.

    The “Solstice” Diamond-Accented Solitaire

    $2,100.00

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  • The "Isabella" Ring in platinum with 1.08-Carat Montana SapphireThe "Isabella" Ring in platinum with 1.08-Carat Montana Sapphire

    The “Isabella” Ring

    $3,850.00

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  • The "Ruenna" Ring in platinum with 0.68-Carat Montana SapphireThe "Ruenna" Ring in platinum with 0.68-Carat Montana Sapphire

    The “Ruenna” Solitaire

    $1,900.00

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  • The “Ainsley” ring in 14k white gold with 0.94-Carat Australian SapphireThe “Ainsley” ring in 14k white gold with 0.94-Carat Australian Sapphire

    The “Ainsley” Solitaire

    $1,900.00

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  • The “Toi Et Moi” Emerald-Cut in 14k yellow gold with 1.60-Carat Maine TourmalineThe “Toi Et Moi” Emerald-Cut in 14k yellow gold with 1.60-Carat Maine Tourmaline

    The “Toi Et Moi” with Emerald-Cut Diamond

    $2,650.00

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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.