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  • A 0.85-carat aqua-orange particolored Montana sapphire (heated) with a rectangular faceted cut is displayed on a textured surface above the Earth’s Treasury logo.

    0.85-Carat Aqua-Orange Particolored Montana Sapphire (Heated)

    $950.00

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  • A rectangular, multicolored 0.96-carat orange-teal particolored Montana sapphire (heated) rests on a textured, light surface, with the Earth’s Treasury logo visible at the bottom.

    0.96-Carat Orange-Teal Particolored Montana Sapphire (Heated)

    $1,100.00

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  • A 1.10-carat pale yellow-orange particolored Montana sapphire, cut in a rectangular faceted shape, showcased on a textured metallic surface with the “Earth’s Treasury” logo beneath it.

    1.10-Carat Pale Yellow-Orange Particolored Montana Sapphire (Heated)

    $1,500.00

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  • A 0.80-carat, rectangular, faceted Montana sapphire (heated) with light yellow and green hues is displayed on a textured, light-colored surface above the Earth’s Treasury logo.

    0.80-Carat Pale Mint Green-Orange Particolored Montana Sapphire (Heated)

    $800.00

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  • A rectangular, blue-pink particolored faceted Montana sapphire (1.32 carats, heated) rests on a metallic textured surface. The logo “EARTH’S TREASURY” appears at the bottom of the image.

    1.32-Carat Blue-Pink Particolored Montana Sapphire (Heated)

    $1,100.00

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  • A 1.21-carat pale yellow-orange particolored Montana sapphire with radiant cut facets is displayed on a textured gray surface, with the “EARTH’S TREASURY” logo visible at the bottom of the image.

    1.21-Carat Pale Yellow-Orange Particolored Montana Sapphire (Heated)

    $1,950.00

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  • A rectangular, faceted orange sapphire weighing 0.70 carats rests on a textured surface with the “EARTH’S TREASURY” text and logo below it.

    0.70-Carat Orange Montana Sapphire (Heated)

    $700.00

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  • A 0.77-carat, rectangular faceted Montana sapphire with a pale green hue is displayed on a textured, light-colored surface. The words “EARTH’S TREASURY” appear at the bottom.

    0.77-Carat Pale Mint Green Montana Sapphire (Heated)

    $800.00

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  • A 0.78-carat orange Montana sapphire (heated), cut in a rectangular shape with faceted edges, is displayed on a textured surface with the “EARTH’S TREASURY” logo at the bottom.

    0.78-Carat Orange Montana Sapphire (Heated)

    $800.00

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  • A rectangular, pale mint green faceted gemstone—identified as a 0.97-carat Mint Green Montana Sapphire (Heated)—is displayed on a light textured surface. The logo and text “EARTH’S TREASURY” appear at the bottom of the image.

    0.97-Carat Mint Green Montana Sapphire (Heated)

    $1,100.00

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  • A 0.96-carat, rectangular, faceted mint green Montana sapphire (heated) is displayed on a textured pale background, with the words “EARTH’S TREASURY” beneath it.

    0.96-Carat Mint Green Montana Sapphire (Heated)

    $1,100.00

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    Add to cartDone
  • A radiant-cut, rectangular golden yellow Montana sapphire (0.98 carats, heated) is displayed on a textured gray surface, with the “Earth’s Treasury” logo and text at the bottom of the image.

    0.98-Carat Golden Yellow Montana Sapphire (Heated)

    $900.00

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  • A rectangular step-cut 1.45-carat peacock blue Montana sapphire (heated) is placed on a textured surface with the words “EARTH’S TREASURY” and a hexagonal logo below it.

    1.45-Carat Peacock Blue Montana Sapphire (Heated)

    $2,500.00

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  • A 0.91-carat Montana Sapphire, cut in a rectangular faceted shape with blue and yellow hues, rests on a textured gray surface. "EARTH'S TREASURY" is shown at the bottom.

    0.91-Carat Aqua-Yellow Particolored Montana Sapphire

    $1,100.00

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  • A rectangular, faceted 1.58-carat Montana Sapphire in blue-green rests on a textured gray surface with the "EARTH'S TREASURY" logo at the bottom.

    1.58-Carat Teal Montana Sapphire

    $2,900.00

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  • The "Everly" Three-Stone Ring in Platinum 950 with a 1.83-Carat Peacock Blue Montana Sapphire (Heated), a large square-cut blue gemstone flanked by two triangular clear stones on each side, displayed on a green and gray striped surface.The "Everly" Three-Stone Ring in Platinum 950 with a 1.83-Carat Peacock Blue Montana Sapphire (Heated)—is displayed upright on a textured surface, with “EARTH’S TREASURY” and a geometric logo at the bottom.

    The “Everly” Three-Stone Ring

    $3,100.00

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  • A gold “Althea” ring with an oval blue gemstone center, accented by four marquise diamonds and four small blue stones, displayed on a green stem.Althea gold ring featuring a dark center stone secured by four prongs and flanked by two side stones, showcased upright on a blue textured rock. “Earth’s Treasury” logo appears at the bottom.

    The “Althea” Ring

    $2,600.00

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    Select optionsDone This product has multiple variants. The options may be chosen on the product page
  • A 0.89-carat heated Montana sapphire with a rectangular shape and blue-green hue, featuring geometric facets, rests on a textured metallic surface. The Earth’s Treasury logo appears at the bottom of the image.

    0.89-Carat Teal Montana Sapphire (Heated)

    $900.00

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  • A 1.00-carat rich blue Montana sapphire (heated), cut in a rectangular faceted shape, rests on a textured gray surface. The logo and text "EARTH'S TREASURY" are displayed at the bottom center.

    1.00-Carat Rich Blue Montana Sapphire (Heated)

    $1,800.00

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  • A 1.14-carat Montana sapphire (heated), cut in a rectangular shape with multiple facets and displaying a rich blue hue, rests on a textured, light-colored surface. The text “EARTH’S TREASURY” is shown at the bottom.

    1.14-Carat Deep Blue Montana Sapphire (Heated)

    $1,100.00

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  • A 1.32-carat heated Montana sapphire, rectangular and faceted in shape with a deep blue hue, rests on a textured gray surface. The logo “EARTH’S TREASURY” appears at the bottom of the image.

    1.32-Carat Peacock Blue Montana Sapphire (Heated)

    $1,500.00

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    Add to cartDone
  • A rectangular, faceted 1.67-carat Peacock Blue Montana Sapphire (Heated) rests on a textured gray surface with the "EARTH'S TREASURY" text and logo displayed below it.

    1.67-Carat Peacock Blue Montana Sapphire (Heated)

    $3,200.00

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    Add to cartDone
  • A 1.87-carat aqua-blue particolored Montana sapphire, featuring a rectangular, faceted cut, is displayed on a textured surface with the "Earth's Treasury" logo beneath it.

    1.87-Carat Aqua-Blue Particolored Montana Sapphire (Heated)

    $3,900.00

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  • A rectangular, deep blue-green 1.89-carat Montana sapphire (heated) with faceted cuts rests on a textured light surface. The text “EARTH’S TREASURY” is visible at the bottom of the image.

    1.89-Carat Midnight Blue-Green Montana Sapphire (Heated)

    $2,900.00

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    Add to cartDone

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.