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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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  • The “Vanessa” Ring in 14k yellow gold with 3.08-Carat Montana SapphireThe “Vanessa” Ring in 14k yellow gold with 3.08-Carat Montana Sapphire

    The “Vanessa” Solitaire

    $1,700.00

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  • The 2022-01-10 11-17-33 (B,Radius1,Smoothing1)-1200-BW ring, featuring a blue gemstone in rose gold, is displayed vertically on a green plant stem. Below the ring, the Earth's Treasury logo is visible.The 2022-01-10 11-10-57 (B,Radius1,Smoothing1)-1200-BW ring features a rose gold Demeter Solitaire design with a blue gemstone and engraved band, set on a rough blue stone atop a textured gray surface with the Earth's Treasury logo.

    The “Demeter” Solitaire

    $1,800.00

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  • The "Juniper" ring in platinum features a 1.63-carat Montana sapphire in an ornate setting, displayed on a green leaf. The Earth's Treasury logo is shown at the bottom.The "Juniper" ring in platinum with a 1.63-carat Montana sapphire stands upright on a rough blue stone, showcasing detailed band design. Set against a textured gray background. Text reads "Earth's Treasury.

    The “Juniper” Ring

    $2,300.00

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  • The "Nebula" ring features a 1.54-carat yellow-green Montana sapphire in 14K yellow gold, accented with small diamonds and yellow stones, beautifully set and displayed on a green striped leaf.The "Nebula" ring in 14K yellow gold with a 1.54-carat Montana sapphire stands upright against a rough blue mineral on a textured gray surface. The text "EARTH'S TREASURY" appears at the bottom.

    The “Nebula” Cluster Ring

    $2,200.00

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  • The Classic Prong-Set Halo Ring in 14k white gold with 1.50-carat Montana sapphireThe Classic Prong-Set Halo Ring in 14k white gold with 1.50-carat Montana sapphire

    The Classic Prong-Set Halo Ring

    $2,900.00

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  • A gold ring, named The Classic Pave "Eugenie" Hidden Halo Ring, features a round, dark green gemstone set at its center. The band is adorned with clear diamonds and the ring is elegantly displayed on a light green plant stem. The image includes the logo and text "EARTH'S TREASURY" at the bottom.A gold Classic Pave "Eugenie" Hidden Halo Ring set with a dark central gemstone and smaller clear stones is situated on a textured surface. In the background, a chunk of raw blue-green mineral is visible. At the bottom, the text reads: "EARTH'S TREASURY.

    The Classic Pave “Eugenie” Hidden Halo Ring

    $2,600.00

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  • The Johnson, Dalton and Murphy, Erin solitaire silver ring showcases an emerald-cut blue gemstone, elegantly displayed on a light green surface with the Earth's Treasury logo at the bottom.The "Niobe" ring in platinum with 2.35-carat Ceylon sapphire

    The Engraved “Niobe” Solitaire

    $2,700.00

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  • The "Lamia" ring in platinum, featuring a 1.36-carat cushion-cut Montana sapphire and four round blue stones, is displayed on a green leaf. The "EARTH'S TREASURY" logo appears at the bottom.The "Lamia" ring in platinum with a 1.36-carat Montana sapphire stands upright before a rough blue stone on a textured gray surface, with the Earth's Treasury logo below.

    The “Lamia” Ring

    $2,350.00

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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 "Cecilie" ring in 14K white gold with 2.12-carat Montana sapphireThe "Cecilie" ring in 14K white gold with 2.12-carat Montana sapphire

    The Classic Pave “Cecilie” Hidden Halo Ring

    $2,600.00

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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.