2.5 mm

Showing 25–48 of 50 resultsSorted by latest

  • 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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  • 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 "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 "Lorelei" ring in platinum with 3.59-carat Ceylon sapphireThe "Lorelei" ring in platinum with 3.59-carat Ceylon sapphire

    The “Lorelei” Halo Ring

    $3,500.00

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  • The "Moirae" ring in 14k white gold, featuring a 1.05-carat Australian sapphire, rests atop a rough blue stone on a textured gray surface. The Earth's Treasury logo is shown at the bottom.The "Moirae" ring in 14k white gold, featuring a 1.05-carat Australian sapphire, rests atop a rough blue stone on a textured gray surface. The Earth's Treasury logo is shown at the bottom.

    The “Moirae” Cluster Ring

    $2,800.00

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

    The “Somme” Eternity Band

    $2,400.00

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  • The "Morrigan" platinum ring, featuring a 1.64-carat hexagonal Montana sapphire and two triangular clear stones, is displayed on a green leaf.The "Morrigan" ring in platinum, featuring a 1.64-carat Montana sapphire and two clear side stones, is shown upright on a rough blue-green mineral, with the "Earth's Treasury" logo beneath.

    The “Morrigan” Ring

    $4,500.00

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

    The “Andelle” Open Band

    $2,900.00

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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 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 "Clemencia" ring in platinum with 1.72-carat Ceylon sapphireThe "Clemencia" ring in platinum with 1.72-carat Ceylon sapphire

    The “Clemencia” Hidden Halo Ring

    $2,700.00

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  • The "Minthe" band in 14k Yellow GoldThe "Minthe" band in 14k Yellow Gold

    The Ombre “Minthe” Band

    $2,400.00

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  • The Wetherell, Nikki and Yardy, Nicholas 5 ring features a blue gemstone in a four-prong silver Hidden Halo Solitaire setting, shown on a green textured surface with "Earth's Treasury" displayed at the bottom.The "Anastasia" ring in platinum, featuring a 2.34-carat Montana sapphire and hidden halo diamonds, stands upright on a textured gray surface. The EARTH'S TREASURY logo and text are displayed at the bottom.

    The “Anastasia” Hidden Halo Solitaire

    $2,100.00

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  • The "Celaeno" ring in 14K yellow gold features a 1.02-carat Australian sapphire and two clear geometric stones, elegantly displayed on a green leaf with The Earth's Treasury logo at the bottom.The "Celaeno" ring in 14K yellow gold features a 1.02-carat Australian sapphire and sparkling side stones, elegantly presented on a rough blue mineral with a textured gray background.

    The “Celaeno” Three-Stone Ring

    $4,300.00

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  • A stackable silver ring with a square bezel-set blue gemstone is displayed on a green leaf, with "McMinn, Richard and Gomez, Eric" written below.A solitaire ring with a rough blue gemstone is shown on a gray patterned surface, labeled "McMinn, Richard and Gomez, Eric" below.

    The Stackable “Emma” Solitaire

    $2,200.00

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  • The "Cascade" ring in platinum features a 1.24-carat Ceylon sapphire at the center, accented by smaller clear stones on each side and elegantly displayed on a green plant stem.The Cascade ring in platinum with a 1.24-carat Ceylon sapphire is displayed upright against a blue rock on textured gray, with the "Earth's Treasury" logo at the bottom.

    The “Cascade” Ring

    $3,350.00

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

    The “Lucerne” Band

    $1,900.00

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  • The "Clemencia" band in 18k white goldThe "Clemencia" band in 18k white gold

    The “Clemencia” Band

    $2,500.00

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  • The Deluxe Channel-Set Yogo Sapphire and Diamond Band in 14k yellow goldThe Deluxe Channel-Set Yogo Sapphire and Diamond Band in 14k yellow gold

    The Deluxe Channel-Set Yogo Sapphire and Diamond Band

    $2,800.00

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  • The Deluxe Pave Yogo Sapphire and Diamond Band in 14k white goldThe Deluxe Pave Yogo Sapphire and Diamond Band in 14k white gold

    The Deluxe Pave Yogo Sapphire and Diamond Band

    $2,500.00

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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.