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  • The "Posey" ring in 14k rose gold features a 1.38-carat Montana sapphire center gemstone with marquise-shaped white side stones, displayed on a green leaf with the Earth’s Treasury logo below.The "Posey" ring in 14k rose gold with a 1.38-carat Montana sapphire is displayed on a blue mineral and patterned surface.

    The “Posey” Cluster Ring

    $3,200.00

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  • The "Linden" Ring in Platinum with 1.76-Carat Montana SapphireThe "Linden" Ring in Platinum with 1.76-Carat Montana Sapphire

    The “Linden” Ring

    $2,450.00

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  • The “Briar” in Platinum with 2.05-Carat Montana SapphireThe “Briar” in Platinum with 2.05-Carat Montana Sapphire

    The “Briar” Diamond-Accented Solitaire

    $2,450.00

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  • The "Deliah" Band in 14k Yellow goldThe "Deliah" Band in 14k Yellow gold

    The “Deliah” Band

    $2,100.00

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  • The "Deliah" ring in 14k yellow gold with 1.82-carat Montana sapphireThe "Deliah" ring in 14k yellow gold with 1.82-carat Montana sapphire

    The “Deliah” Ring

    $2,900.00

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  • The “Magnolia” Ring in platinum with 1.59-Carat Montana SapphireThe “Magnolia” Ring in platinum with 1.59-Carat Montana Sapphire

    The “Magnolia” Ring

    $2,300.00

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  • Stacked from 39 images. Method=B (R=8, S=4) gold Gaia ring with large oval blue gemstone and two textured gold bands, displayed on a green leaf. 'Earth's Treasury' logo and text below.The "Gaia" ring in 14k yellow gold, featuring a 4.63-carat Montana Sapphire, stands upright on rough gray stone, with the Earth's Treasury logo at the bottom of the image.

    The “Gaia” Double Pave Ring

    $3,500.00

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  • The "Guanyin" ring in 18K yellow gold, featuring a 1.94-carat Malaia garnet, is displayed on dark stone with a geometric patterned background.The "Guanyin" ring in 18K yellow gold, featuring a 1.94-carat Malaia garnet, is displayed on dark stone with a geometric patterned background.

    The “Guanyin” Ring

    $2,250.00

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  • The “Elenin” Ring with 1.47-Carat Montana Sapphire (Heated)The “Elenin” Ring with 1.47-Carat Montana Sapphire (Heated)

    The “Elenin” Solitaire

    $1,700.00

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  • The "Leyre" band in platinumThe "Leyre" band in platinum

    The “Leyre” Band

    $2,400.00

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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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  • A 14K yellow gold "Arwyn" ring with a 0.95-carat Montana sapphire center, accented by clustered white diamonds, is displayed on a green leaf. "EARTH'S TREASURY" appears at the bottom.The Estes, Kayley and Nore, Caroline 1 ring features an intricate gold trellis cluster design around a dark gemstone, displayed upright on a textured gray surface with "EARTH'S TREASURY" at the bottom.

    The “Arwyn” Trellis Cluster Ring

    $2,200.00

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  • The "Estelle" band in 18k yellow goldThe "Estelle" band in 18k yellow gold

    The “Estelle” Band

    $2,100.00

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  • The "Estelle" ring in 14k white gold with 1.11-Carat Umba sapphireThe "Estelle" ring in 14k white gold with 1.11-Carat Umba sapphire

    The “Estelle” Cluster Ring

    $2,600.00

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

    The “Halia” Deluxe Pave Notched Band

    $2,200.00

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  • The "Halia" ring in 14k white gold with 1.31-carat Montana sapphireThe "Halia" ring in 14k white gold with 1.31-carat Montana sapphire

    The Deluxe Pave “Halia” Ring

    $2,600.00

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  • The "Paeonia" band in platinumThe "Paeonia" band in platinum

    The “Paeonia” Band

    $2,600.00

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  • The “Paeonia” Ring features a 1.68-carat round Montana Sapphire in platinum, inspired by the Paeonia flower and accented with marquise and round clear stones, displayed on a green and white leaf with The Earth's Treasury logo below.The "Stacked from 54 images. Method=B (R=1,S=4)" ring, featuring a striking blue gemstone and sparkling diamonds, stands upright on a rough blue stone against a textured background, radiating refined Paeonia elegance.

    The “Paeonia” Halo Ring

    $3,400.00

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  • The "Melanie" band in 18k yellow goldThe "Melanie" band in 18k yellow gold

    The “Melanie” Band

    $2,600.00

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  • The “Melanie” ring in 18k yellow gold features a 1.53-carat Australian sapphire center, accented with four diamonds on the band. Shown vertically on green with the Earth's Treasury logo below, it’s a striking choice for any occasion.A solitaire ring is displayed upright on a rough blue crystal atop a patterned metallic surface. The "EARTH'S TREASURY" logo appears below, highlighting the elegant Stacked from 56 images. Method=B (R=8,S=4) solitaire.

    The “Melanie” Diamond-Accented Solitaire

    $2,500.00

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

    The “Cimarron” Band

    $2,400.00

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  • The "Juno" ring, crafted in 14k yellow gold and featuring a 1.54-carat Montana sapphire, is elegantly displayed on a green leaf with its diamond-accented details.The "Juno" ring in 14k yellow gold, featuring a large 1.54-carat Montana sapphire solitaire gemstone at its center, rests on a textured metallic surface.

    The “Juno” Diamond-Accented Solitaire

    $2,800.00

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  • The "Marina" ring in platinum with 1.79-carat Montana sapphireThe "Marina" ring in platinum with 1.79-carat Montana sapphire

    The Deluxe Pave “Marina” Hidden Halo Ring

    $2,900.00

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  • The Milgrain "Clarice" ring in 14K yellow gold with 1.69-carat Australian sapphireThe Milgrain "Clarice" ring in 14K yellow gold with 1.69-carat Australian sapphire

    The Milgrain “Clarice” Solitaire

    $1,700.00

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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.