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  • The "Mavis" ring in 14K white gold showcases a 1.02-carat Montana sapphire center and two triangular clear stones, beautifully set against a green leaf background.The "Mavis" ring in 14K white gold with a 1.02-carat Montana sapphire is shown upright on a blue stone, with the "Earth's Treasury" logo beneath on a textured background.

    The “Mavis” Three-Stone Ring

    $2,700.00

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  • The "Hesperia" ring in 14K yellow gold features a 2.21-carat Montana sapphire and small round diamonds, shown on a green leaf with the Earth's Treasury logo below.The "Hesperia" ring in 14K yellow gold showcases a 2.21-carat Montana sapphire and side baguette stones, shown upright with a rough blue mineral and the Earth’s Treasury logo in the background.

    The “Hesperia” Ring

    $2,200.00

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  • A platinum "Merope" ring featuring a 1.42-carat Ceylon sapphire and two pear-shaped clear stones, displayed on a green leaf background with "Earth's Treasury" branding below.A platinum "Merope" ring featuring a 1.42-carat Ceylon sapphire and two clear side stones stands upright on a textured gray surface, with the "Earth's Treasury" logo below.

    The “Merope” Three-Stone Ring

    $2,450.00

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  • 1.50-Carat Deep Blue Green Montana Sapphire (Heated)

    1.50-Carat Deep Blue Green Montana Sapphire (Heated)

    $1,500.00

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  • A 1.60-carat orange-yellow particolored Montana sapphire (heated) is displayed on a textured gray surface featuring the Earth's Treasury logo at the bottom.

    1.60-Carat Orange-Yellow Particolored Montana (Heated)

    $2,700.00

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  • 2.48-Carat Deep Blue-Green Montana Sapphire (Heated)

    2.48-Carat Deep Blue-Green Montana Sapphire (Heated)

    $4,800.00

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  • 2.65-Carat Rich Blue Montana Sapphire (Heated)

    2.65-Carat Rich Blue Montana Sapphire (Heated)

    $5,300.00

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  • A particolored Montana sapphire in our "Hyperbola" oval design

    0.89-Carat Teal Blue Montana Sapphire (Heated)

    $900.00

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  • A blue Montana sapphire in our "Hyperbola" oval design

    0.93-Carat Rich Sky Blue Montana Sapphire (Heated)

    $1,100.00

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  • 1.08-Carat Medium Blue Montana Sapphire (Heated)

    1.08-Carat Medium Blue Montana Sapphire (Heated)

    $1,800.00

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  • 2.12-Carat Rich Teal-Yellow Particolored Montana Sapphire (Heated)

    2.12-Carat Rich Teal-Yellow Particolored Montana Sapphire (Heated)

    $4,770.00

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  • The "Wisteria" 3.0 ring in 14k yellow gold features a 1.14-carat Montana sapphire between two white diamonds, shown against green leaves with the "Earth's Treasury" logo at the bottom.The "Wisteria" 3.0 ring in 14k yellow gold featuring a 1.14-carat Montana sapphire stands upright on a rough stone surface, viewed from the base, with the Earth's Treasury logo at the bottom.

    The “Wisteria” Three-Stone Trellis Ring

    $2,100.00

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  • A Le Renard, Yann engagement ring with a blue gemstone cushion cut center and baguette side stones is displayed on a green leaf; the "Earth's Treasury" logo appears at the bottom.The Le Renard, Yann ring, featuring a rectangular blue gemstone set in silver, stands upright on textured blue stone with the Earth's Treasury logo beneath.

    The “Clio” Three-Stone Ring

    $2,450.00

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  • An ET1614 gemstone with a faceted pink oval cut resting on a textured metallic surface bears the label "EARTH'S TREASURY.

    2.01-Carat Light Pink Tourmaline

    $650.00

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  • A faceted ET1620 pink gemstone rests on a textured gray surface.

    1.22-Carat Light Pink Tourmaline

    $425.00

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  • A vibrantly faceted, pink gemstone rests elegantly on a textured grey surface, with the text "Earth's Treasury ET1613" displayed at the bottom of the image.

    2.11-Carat Light Pink Tourmaline

    $600.00

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  • The ET1610, a pink gemstone with intricate facets, rests on a textured gray surface.

    1.50-Carat Light Pink Tourmaline

    $900.00

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  • A faceted pink gemstone named ET1609 is displayed on a gray textured background, with the text "Earth's Treasury" elegantly inscribed.

    1.77-Carat Light Pink Tourmaline

    $710.00

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  • 2.18-Carat Pink Tourmaline

    2.18-Carat Light Pink Tourmaline

    $875.00

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  • 2.31-Carat Pink Tourmaline

    2.31-Carat Light Pink Tourmaline

    $925.00

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  • 3.00-Carat Pink Tourmaline

    3.00-Carat Light Pink Tourmaline

    $1,200.00

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  • The "Arethusa" ring in platinum features a 2.65-carat round Montana sapphire and smaller clear stones along the band, shown on a green leaf with "Earth's Treasury" below—an exquisite, nature-inspired jewelry design.The "Arethusa" ring in platinum, featuring a 2.65-carat Montana sapphire, is displayed upright on a textured surface with the Earth's Treasury logo at the bottom.

    The “Arethusa” Ring

    $2,800.00

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    Select optionsDone This product has multiple variants. The options may be chosen on the product page
  • The "Meissa" ring in 14K white gold with a 1.47-carat Montana sapphire and diamond band rests on a green leaf, with the Earth's Treasury logo visible at the bottom of the image.The "Meissa" ring in 14K white gold with a 1.47-carat rectangular Montana sapphire stands upright, a blue textured stone behind it and the Earth’s Treasury logo below.

    The Classic Pave “Meissa” Ring

    $2,450.00

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  • A 1.82-carat medium blue heated Montana Sapphire is showcased on a textured gray surface with "EARTH'S TREASURY" displayed at the bottom.

    1.82-Carat Medium Blue Montana Sapphire (Heated)

    $3,600.00

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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.