2.25 mm

Showing 25–48 of 55 resultsSorted by latest

  • 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 "Cassiopeia" band in platinumThe "Cassiopeia" band in platinum

    The “Cassiopeia” Notched Band

    $1,700.00

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  • The “Cassiopeia” ring in platinum with 1.08-carat Montana SapphireThe “Cassiopeia” ring in platinum with 1.08-carat Montana Sapphire

    The “Cassiopeia” Diamond-Accented Solitaire

    $2,100.00

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  • A pendant inspired by the "Elowen" ring in platinum, which features a 1.09-carat Montana sapphire at its center, flanked by two white pear-shaped stones, is elegantly set and displayed on a green striped leaf.The "Stacked from 50 images. Method=B (R=8,S=4)" ring stands upright on a textured blue stone, with the Earth’s Treasury logo and name displayed below.

    The “Elowen” Three-Stone Ring

    $2,600.00

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  • The "Stacked from 61 images. Method=B (R=1,S=4)" pendant features a round blue gemstone with two marquise-cut clear stones, evoking a three-stone ring, set against a green and white leafy background.A minimal ring with a large blue gemstone, "Stacked from 61 images. Method=B (R=1,S=4)", is displayed upright before a matching rough blue stone on a textured grey surface. The "EARTH'S TREASURY" logo appears below.

    The Minimal “Avalon” Three-Stone Hidden Halo Ring

    $2,500.00

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  • The "Laita" band in 18K yellow gold is showcased elegantly on top of a rock.The "Laita" band in 18K yellow gold is showcased elegantly on top of a rock.

    The “Laita” Band

    $1,800.00

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  • The Pave "Avalon" ring in platinum with 1.66-carat Australian sapphireThe Pave "Avalon" ring in platinum with 1.66-carat Australian sapphire

    The Pave “Avalon” Hidden Halo Ring

    $2,850.00

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  • The "Kacie" ring in platinum with 2.66-Carat Ceylon SapphireThe "Kacie" ring in platinum with 2.66-Carat Ceylon Sapphire

    The “Kacie” Ring

    $1,950.00

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  • The "Arabella" band in 14k rose goldThe "Arabella" band in 14k rose gold

    The “Arabella” Open Band

    $1,500.00

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  • The “Arabella” ring in platinum with 1.60-Carat Montana SapphireThe “Arabella” ring in platinum with 1.60-Carat Montana Sapphire

    The “Arabella” Diamond-Accented Solitaire

    $2,000.00

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  • The "Evelyn" ring in Platinum with 1.82-carat Montana sapphireThe "Evelyn" ring in Platinum with 1.82-carat Montana sapphire

    The “Evelyn” Three-Stone Ring

    $2,700.00

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  • The Deluxe Pave "Claire" platinum ring, featuring a 2.05-carat Montana sapphire center and diamond accents, is displayed upright on a green leaf. The Earth's Treasury logo appears at the bottom.The Deluxe Pave "Claire" ring in platinum, featuring a 2.05-carat Montana sapphire, is displayed upright against a rough blue-green stone, with the "Earth's Treasury" logo at the bottom.

    The Deluxe Pave “Claire” Ring

    $2,600.00

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  • The Deluxe Pave "Amelia" Ring in 18k yellow gold with 1.62-Carat Montana SapphireThe Deluxe Pave "Amelia" Ring in 18k yellow gold with 1.62-Carat Montana Sapphire

    The Deluxe Pave “Amelia” Hidden Halo Ring

    $2,900.00

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  • The "Hyacinth" ring in 14k white gold with 1.46-Carat Montana SapphireThe "Hyacinth" ring in 14k white gold with 1.46-Carat Montana Sapphire

    The “Hyacinth” Cluster Ring

    $2,400.00

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  • The Classic Pave “Flora” Ring in platinum with 2.28-Carat Montana SapphireThe Classic Pave “Flora” Ring in platinum with 2.28-Carat Montana Sapphire

    The Classic Pave “Flora” Ring

    $2,450.00

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  • The "Cattleya" ring in 14K rose gold with 1.49-carat Montana sapphireThe "Cattleya" ring in 14K rose gold with 1.49-carat Montana sapphire

    The “Cattleya” Ring

    $2,900.00

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  • The "Dahlia" band in platinum, set with pink and orange gemstones, is shown on a rough blue stone. The text "Earth's Treasury" appears at the bottom.The "Dahlia" band in platinum, adorned with multicolored gemstones, rests on a rough blue stone; a geometric metallic background and the "EARTH'S TREASURY" logo appear below.

    The “Dahlia” Band

    $2,200.00

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  • The "Dahlia" ring in platinum with a 2.14-carat orange Montana Sapphire sits beside the matching platinum "Dahlia" band, both shown on a green leaf. The "Earth's Treasury" logo appears at the bottom.The "Dahlia" ring in platinum with a 2.14-carat Montana sapphire stands upright on a textured surface, with a rough blue-green stone in the background.

    The “Dahlia” Ring

    $2,350.00

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  • A 14k yellow gold "Freya" ring with a 1.51-carat Montana sapphire, shown on a green leaf background. "Earth's Treasury" logo at the bottom.The "Freya" ring in 14k yellow gold with a 1.51-carat Montana sapphire is shown upright on rough blue mineral, with a patterned metallic background and the "Earth's Treasury" logo at the bottom.

    The “Freya” Solitaire

    $2,050.00

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  • A silver Roe, Ana ring featuring a triangular blue gemstone and small side diamonds rests on green leaves; the "Earth's Treasury" logo appears below.A Roe, Ana Ring featuring a silver band with a green gemstone stands upright on a textured metallic surface, with "EARTH'S TREASURY" displayed below.

    The “Adelaide” Ring

    $3,050.00

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  • The "Passiflora" Ring in 14k rose gold with 0.99-carat Montana sapphireThe "Passiflora" Ring in 14k rose gold with 0.99-carat Montana sapphire

    The “Passiflora” Halo Ring

    $2,900.00

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  • The "Twyg" band in 14k rose goldThe "Twyg" band in 14k rose gold

    The “Twyg” Band

    $1,400.00

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  • The "Clematis" Ring in platinum features a 1.62-carat round Madagascar sapphire at the center, accented by two pear-shaped clear stones, shown displayed on a green leaf.The "Clematis" Ring in platinum features a 1.62-carat Madagascar sapphire and an intricate prong setting, displayed upright on a gray textured surface with Earth’s Treasury logo below.

    The “Clematis” Three-Stone Trellis Ring

    $2,450.00

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  • The "Wisteria" 3.0 ring in 14k yellow gold features a 1.14-carat Montana sapphire between two white diamonds, shown against green leaves with the "Earth's Treasury" logo at the bottom.The "Wisteria" 3.0 ring in 14k yellow gold featuring a 1.14-carat Montana sapphire stands upright on a rough stone surface, viewed from the base, with the Earth's Treasury logo at the bottom.

    The “Wisteria” Three-Stone Trellis Ring

    $2,100.00

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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.