1.75 mm

Showing 1–24 of 31 resultsSorted by latest

  • The Comet ring in platinum, featuring a 3.53-carat Montana sapphire and diamonds on the band, is displayed on a green striped leaf. "Earth's Treasury" appears at the bottom.The Comet ring in platinum features a 3.53-carat Montana sapphire as its central stone, accented by smaller side stones, and is displayed upright on a textured stone background.

    The Petite Pave “Comet” Hidden Halo Ring

    $2,900.00

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  • The "Jetty" band in 14k rose gold, featuring two round bezel-set diamonds, rests atop a rough purple gemstone on a textured gray surface. "EARTH'S TREASURY" is displayed at the bottom.The "Jetty" band in 14k rose gold, featuring a bezel-set diamond, rests on a rough purple gemstone atop a textured gray surface. The Earth's Treasury logo below highlights the elegance of this unique Jetty-inspired ring design.

    The “Jetty” Open Band

    $1,800.00

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  • The "Aude" Open Band in 14k white goldThe "Aude" Open Band in 14k white gold

    The “Aude” Open Band

    $1,400.00

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  • The "Felicia" ring in 14k yellow gold with 1.12-carat Montana sapphireThe "Felicia" ring in 14k yellow gold with 1.12-carat Montana sapphire

    The “Felicia” Hidden Halo Solitaire

    $1,800.00

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  • The "Ness" band in 14k yellow goldThe "Ness" band in 14k yellow gold

    The “Ness” Band

    $1,700.00

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  • Nine-Stone Stackable Montana Sapphire RingNine-Stone Stackable Montana Sapphire Ring

    Nine-Stone Stackable Montana Sapphire Ring

    $999.00

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  • Three-Stone Stackable Montana Sapphire RingThree-Stone Stackable Montana Sapphire Ring

    Three-Stone Stackable Montana Sapphire Ring

    $749.00

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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 “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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  • The "Fiona" ring in 14K rose gold with 1.30-carat Montana sapphireThe "Fiona" ring in 14K rose gold with 1.30-carat Montana sapphire

    The “Fiona” Ring

    $2,100.00

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  • The Petite Pave "Eugenie" Ring in 14k yellow gold with 1.52-carat Montana sapphireThe Petite Pave "Eugenie" Ring in 14k yellow gold with 1.52-carat Montana sapphire

    The Petite Pave “Eugenie” Hidden Halo Ring

    $2,450.00

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  • The "Calliope" band in 14k yellow goldThe "Calliope" band in 14k yellow gold

    The “Calliope” Band

    $1,400.00

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  • The "Circe" ring in 18K yellow gold with 2.26-carat Montana sapphireThe "Circe" ring in 18K yellow gold with 2.26-carat Montana sapphire

    The “Circe” Halo Ring

    $3,200.00

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  • The "Deirdre" ring in 14k yellow gold with 2.01-carat Montana sapphireThe "Deirdre" ring in 14k yellow gold with 2.01-carat Montana sapphire

    The “Deirdre” Solitaire

    $1,900.00

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  • The Tapered Pave "Tatiana" ring in 18k yellow gold with 2.90-Carat Montana SapphireThe Tapered Pave "Tatiana" ring in 18k yellow gold with 2.90-Carat Montana Sapphire

    The Tapered Pave “Tatiana” Hidden Halo Ring

    $2,600.00

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  • The "Halley" Band in 18k white goldThe "Halley" Band in 18k white gold

    The “Halley” Band

    $1,700.00

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  • The "Calliste" band in 18K yellow gold, featuring a wavy design set with small diamonds, is displayed on a rough blue stone with the text "EARTH'S TREASURY" below.The "Calliste" band in 18K yellow gold, featuring a row of small diamonds, rests on a rough dark blue stone against a textured grey background. The text "EARTH'S TREASURY" is displayed at the bottom.

    The “Calliste” Band

    $2,100.00

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  • The "Ismene" ring in 14k white gold with a 1.29-carat Montana sapphire is displayed on a green leaf, featuring a diamond-encrusted band and the text "Earth's Treasury" below.The “Ismene” ring in 14k white gold with a 1.29-carat Montana sapphire is displayed upright against a rough blue crystal on a textured surface, featuring the "Earth's Treasury" logo at the bottom.

    The Petite Pave “Ismene” Halo Ring

    $2,600.00

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  • The "Kristen" ring in 14K white gold with 1.03-carat Montana sapphireThe "Kristen" ring in 14K white gold with 1.03-carat Montana sapphire

    The Petite Pave “Kristen” Halo Ring

    $2,600.00

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  • The "Pleione" ring in 14K white gold features a 1.31-carat pear-shaped Montana sapphire with a diamond halo and tapered pavé, shown on a green background with “Earth’s Treasury” text below.The "Pleione" ring in 14K white gold with a 1.31-carat Montana sapphire is displayed upright on a textured gray surface, featuring the Earth's Treasury logo at the bottom.

    The Tapered Pave “Pleione” Halo Ring

    $2,800.00

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  • The Petite Pave Halo Ring in 14K white gold with 1.70-Carat Montana Sapphire, alongside the petite pave band in 14k white goldThe Petite Pave Halo Ring in 14K white gold with 1.70-Carat Montana Sapphire, alongside the petite pave band in 14k white gold

    The Petite Pave Halo Ring

    $2,600.00

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  • The "Amphitrite" platinum ring, featuring a 1.81-carat Montana sapphire, is displayed upright against a green leaf background.A platinum "Amphitrite" ring with a 1.81-carat Montana sapphire is displayed upright on a textured blue stone background, with the text "EARTH'S TREASURY" below.

    The Petite Pave “Amphitrite” Hidden Halo Ring

    $2,600.00

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  • The "Arethusa" ring in platinum features a 2.65-carat round Montana sapphire and smaller clear stones along the band, shown on a green leaf with "Earth's Treasury" below—an exquisite, nature-inspired jewelry design.The "Arethusa" ring in platinum, featuring a 2.65-carat Montana sapphire, is displayed upright on a textured surface with the Earth's Treasury logo at the bottom.

    The “Arethusa” Ring

    $2,800.00

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  • The "Arethusa" band in platinumThe "Arethusa" band in platinum

    The “Arethusa” Band

    $2,200.00

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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.