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  • The "Mila" in 14k rose gold, hammered and brushed, with 1.93-Carat Montana SapphireThe "Mila" in 14k rose gold, hammered and brushed, with 1.93-Carat Montana Sapphire

    The “Mila” Solitaire

    $1,700.00

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  • The "Multiflora" ring in 14k white gold with 1.53-Carat Montana SapphireThe "Multiflora" ring in 14k white gold with 1.53-Carat Montana Sapphire

    The “Multiflora” Trellis Three-Stone Ring

    $2,450.00

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  • The "Faye" ring in platinum features a 0.92-carat Montana sapphire as its centerpiece and is displayed vertically on a green, striped leaf.The "Faye" ring in platinum, featuring a 0.92-carat Montana sapphire and diamond-accented solitaire design, is shown on a rough blue crystal against a geometric backdrop with "EARTH'S TREASURY" displayed below.

    The “Faye” Diamond-Accented Solitaire

    $2,950.00

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  • The "Maeve" ring in 14k yellow gold features a 0.91-carat Montana sapphire at the center with two smaller white stones on either side, shown against a green leaf background.The "Maeve" ring, crafted in 14k yellow gold with a 0.91-carat uncut Montana sapphire, stands upright on a textured gray surface. "EARTH'S TREASURY" is displayed at the bottom of the image.

    The “Maeve” Three-Stone Ring

    $2,450.00

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  • The "Armando" ring features a 1.57-carat round Montana sapphire set in silver and gold, displayed on a green and white stem with the Earth’s Treasury logo below.The "Armando" ring, crafted in silver and gold with a 1.57-carat Montana sapphire, stands upright framing a raw blue mineral on a textured gray surface. The "Earth's Treasury" logo appears below.

    The “Armando” Ring

    $8,500.00

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  • The "Clint" in platinum and 18k yellow gold with 2.59-carat Montana sapphireThe "Clint" in platinum and 18k yellow gold with 2.59-carat Montana sapphire

    The “Clint” Ring

    $8,300.00

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  • The "Perseus" ring in platinum and 18k yellow gold with custom-cut diamondThe "Perseus" ring in platinum and 18k yellow gold with custom-cut diamond

    The “Perseus” Ring

    $8,300.00

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  • The "Galina" ring in 18k yellow gold with a 1.34-carat Spinel has a round red center stone and marquise clear accents, displayed on a green surface above the "Earth's Treasury" logo.The "Galina" ring in 18k yellow gold with a 1.34-carat Spinel stands upright before a rough blue stone on a textured gray surface, with the Earth's Treasury logo at the bottom.

    The “Galina” Ring

    $2,900.00

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  • The "Marne" band in 14k white goldThe "Marne" band in 14k white gold

    The “Marne” Band

    $1,950.00

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  • The "Zeya" band in platinumThe "Zeya" band in platinum

    The “Zeya” Open Band

    $1,700.00

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  • The Engraved "Cathedral" ring in 14K white gold with a 2.75-carat square-cut Tanzanite is displayed vertically against a green plant, with the "Earth's Treasury" logo at the bottom.The Engraved "Cathedral" ring in 14K white gold with a 2.75-carat Tanzanite rests on a rough blue crystal, with the Earth's Treasury logo below on a patterned gray surface.

    The Engraved “Cathedral” Solitaire

    $2,700.00

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  • The "Alice" ring in platinum, featuring a 1.09-carat Montana sapphire surrounded by a diamond halo, is displayed on a green surface.The "Alice" ring in platinum with a 1.09-carat Montana sapphire displayed on a rock.

    The “Alice” Halo Ring

    $2,200.00

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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 "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 "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 "Tigris" band in 14k yellow goldThe "Tigris" band in 14k yellow gold

    The “Tigris” Band

    $1,900.00

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

    The “Andelle” Open Band

    $2,900.00

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  • The "Andromeda" ring in 14k yellow gold with 1.60-carat Ceylon sapphireThe "Andromeda" ring in 14k yellow gold with 1.60-carat Ceylon sapphire

    The “Andromeda” Ring

    $3,600.00

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  • The "Isolde" in 14k yellow gold with 1.01-carat Montana sapphire alongside the "Minthe" band in 14k yellow goldThe "Isolde" ring in 14k yellow gold with 1.01-carat Montana sapphire

    The “Isolde” Ring

    $2,800.00

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  • The "Aurelia" ring in 14K yellow gold with 0.92-carat Montana sapphireThe "Aurelia" ring in 14K yellow gold with 0.92-carat Montana sapphire

    The “Aurelia” Ring

    $2,600.00

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  • The "Katya" ring in platinum with 1.33-carat Montana sapphireThe "Katya" ring in platinum with 1.33-carat Montana sapphire

    The “Katya” Hidden Halo Solitaire

    $1,800.00

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  • The “Siobhan” ring in platinum with 1.98-carat Montana sapphireThe “Siobhan” ring in platinum with 1.98-carat Montana sapphire

    The “Siobhan” Solitaire

    $1,900.00

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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.