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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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  • A 1.15-carat hot pink Ceylon sapphire, heated and cushion-cut, rests on a textured surface, exhibiting a symmetrical pattern with a radiant inner glow.

    1.15-Carat Hot Pink Ceylon Sapphire (Heated)

    $2,300.00

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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" 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" 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” 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” 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 "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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  • A platinum Cathedral "Lyra" ring featuring a 1.44-carat Montana sapphire is displayed on a green and white leaf, with the "Earth's Treasury" logo at the bottom.The Cathedral "Lyra" ring in platinum with a 1.44-carat Montana sapphire rests atop a rough blue stone on a textured gray surface, with "Earth's Treasury" labeled at the bottom.

    The Cathedral “Lyra” Solitaire

    $1,700.00

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  • 1.14-Carat Colorless Montana Sapphire

    1.14-Carat Colorless Montana Sapphire

    $950.00

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  • Close-up of a 1.32-carat faceted, rectangular ruby on a textured gray surface.

    1.32-Carat Ruby (Heated)

    $7,200.00

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  • A 1.91-carat cushion-cut violet Ceylon sapphire displayed on a textured surface.

    1.91-Carat Violet Ceylon Sapphire

    $3,900.00

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  • An 18k yellow gold "Cassandra" ring featuring a 1.79-carat Montana sapphire, encircled by clear diamonds, showcased on a green leaf with the "EARTH'S TREASURY" logo at the bottom.The "Cassandra" ring in 18k yellow gold with a 1.79-carat Montana sapphire is displayed upright on a dark rough stone atop a textured gray surface, with the "Earth's Treasury" logo and text at the bottom.

    The “Cassandra” Halo Ring

    $2,700.00

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  • The "Harmonia" ring in 14k rose gold with 1.55-Carat Montana sapphireThe "Harmonia" ring in 14k rose gold with 1.55-Carat Montana sapphire

    The “Harmonia” Three-Stone Ring

    $2,150.00

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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 "Keeley" ring in 14k yellow gold with 1.61-Carat Montana sapphireThe "Keeley" ring in 14k yellow gold with 1.61-Carat Montana sapphire

    The “Keeley” Diamond-Accented Solitaire

    $2,600.00

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  • The "Apollo" ring features a 1.35-carat Montana sapphire set in 14K yellow gold, displayed elegantly on a green and silver background.The "Apollo" ring in 14K yellow gold with a 1.35-carat Montana sapphire is displayed on a rough crystal, with the "Earth's Treasury" logo below.

    The “Apollo” Ring

    $3,300.00

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  • A close-up of "The Ezra Ring" showcasing its silver band and blue hexagon-shaped gemstone with intricate facets. The ring is placed on a green background, with the text "EARTH'S TREASURY" visible at the bottom of the image.A silver ring named "Ezra," adorned with a blue gemstone, is set against a textured gray and blue stone backdrop. The ring features a unique geometric design, showcasing the blue gemstone in a modern, angled setting. The image includes the text "Earth's Treasury" at the bottom.

    The “Ezra” Ring

    $3,100.00

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  • The "Gawain" ring, crafted in unplated 18k palladium white gold with a 0.79-carat Montana sapphire, features geometric patterns along the band and is displayed on a green textured surface.The "Gawain" ring, crafted in unplated 18k palladium white gold with a 0.79-carat Montana sapphire, is shown upright on a textured gray surface. The Earth's Treasury logo appears at the bottom.

    The “Gawain” Ring

    $2,500.00

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  • The "Hermes" ringThe "Hermes" ring

    The “Hermes” Ring

    $3,300.00

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  • A platinum "Declan" ring with a 1.02-carat Montana sapphire, featuring vibrant orange and green hues, displayed on a green leaf with "EARTH'S TREASURY" below.The "Declan" ring in platinum, featuring a 1.02-carat Montana sapphire, stands upright on a textured surface with blue glass beneath it. The Earth's Treasury logo is displayed at the bottom.

    The “Declan” Ring

    $2,500.00

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  • The "Alexia" ring in 14k white gold with 0.99-Carat Montana SapphireThe "Alexia" ring in 14k white gold with 0.99-Carat Montana Sapphire

    The “Alexia” Halo Ring

    $3,100.00

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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.