Rock Creek, Montana

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  • A 2.30-carat heated Montana sapphire, oval and blue, is displayed on a textured gray surface with "Earth's Treasury" written below.

    2.30-Carat Deep Peacock Blue Montana Sapphire (Heated)

    $5,900.00

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  • A 2.31-carat heated Montana sapphire with an oval cut and intricate facets is displayed on a textured light surface. The text "Earth's Treasury" appears at the bottom.

    2.31-Carat Teal Blue Montana Sapphire (Heated)

    $3,800.00

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  • A 2.37-carat heated Montana sapphire with a faceted blue surface rests on textured light gray background, "EARTH'S TREASURY" shown below.

    2.37-Carat Peacock Blue Montana Sapphire (Heated)

    $3,900.00

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  • A 2.53-carat heated Montana sapphire with a brilliant cut sits on a patterned metallic surface; "EARTH'S TREASURY" appears at the bottom.

    2.53-Carat Teal-Aqua Particolored Montana Sapphire (Heated)

    $4,550.00

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  • 2.89-carat heated Montana sapphire, faceted oval blue gemstone shown on a textured surface with "Earth’s Treasury" at the bottom.

    2.89-Carat Peacock Blue Montana Sapphire (Heated)

    $5,200.00

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  • A 3.06-carat heated Montana sapphire with an oval cut is showcased on a textured metallic surface, featuring the "Earth's Treasury" logo at the bottom.

    3.06-Carat Deep Blue Montana Sapphire (Heated)

    $2,900.00

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  • A 3.21-carat oval-cut heated Montana sapphire in deep blue rests on a textured surface, with "EARTH'S TREASURY" and a logo displayed below.

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

    $6,400.00

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  • A 3.36-carat heated Montana sapphire, oval-cut with intricate facets in blue-green hues, is displayed on a textured metallic surface with "EARTH'S TREASURY" at the bottom.

    3.36-Carat Teal-Aqua Particolored Montana Sapphire (Heated)

    $12,950.00

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  • A 4.00-carat heated Montana sapphire, faceted in an oval shape, is displayed on a textured silver surface with the text "EARTH'S TREASURY" below.

    4.00-Carat Deep Peacock Blue Montana Sapphire (Heated)

    $5,900.00

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  • The "Eclipse" Earrings in 14K white gold: Pair of white gold hoop earrings set with round blue gemstones displayed on a green leaf, with the Earth's Treasury logo at the bottom.Close-up of a person's ear wearing eclipse hoops, featuring five blue-green gemstones; the "Earth's Treasury" logo appears at the image's bottom.

    The “Eclipse” Hoop Earrings

    $3,499.00

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  • The "Dazzle" necklace in 14K white gold with a 6.0mm medium blue Montana sapphire center and a halo of clear stones is shown on a light wood background, with the Earth’s Treasury logo at the bottom.The "Dazzle" necklace in 14K white gold with a 6.0mm medium blue Montana sapphire center and a halo of clear stones is shown on a light wood background, with the Earth’s Treasury logo at the bottom.

    The “Dazzle” Halo Necklace – Teal Blue, 6.0 mm (Heated)

    $3,400.00

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  • A round, faceted 1.07-carat heated Montana Sapphire with a blue hue rests on a textured, light surface, with "Earth's Treasury" visible below.

    1.07-Carat Teal Blue Montana Sapphire (Heated)

    $1,600.00

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  • A 1.03-carat heated Montana sapphire with a round cut in blue-green, displayed on a textured gray surface with "Earth's Treasury" at the bottom.

    1.03-Carat Rich Teal Montana Sapphire (Heated)

    $1,500.00

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  • A round brilliant-cut 1.03-carat heated Montana sapphire with a vivid blue hue is displayed on a textured grey surface, featuring the text "Earth's Treasury" below.

    1.03-Carat Teal-Aqua Particolored Montana Sapphire (Heated)

    $1,050.00

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  • A 1.04-carat heated Montana sapphire with a round cut, shown on a textured gray surface, features "Earth's Treasury" at the bottom.

    1.04-Carat Deep Blue to Purple Color Change Montana Sapphire (Heated)

    $1,100.00

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  • 1.05-carat heated Montana sapphire, round brilliant-cut and blue, displayed on a textured light gray surface with the text "Earth's Treasury" below.

    1.05-Carat Medium Blue Montana Sapphire (Heated)

    $1,100.00

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  • A 1.06-carat heated Montana Sapphire in a round brilliant cut is showcased on a textured surface with the "Earth's Treasury" logo at the bottom.

    1.06-Carat Teal Blue Montana Sapphire (Heated)

    $1,850.00

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  • A 1.07-carat heated Montana sapphire in a round brilliant cut is showcased on a textured gray surface with "EARTH'S TREASURY" displayed at the bottom.

    1.07-Carat Teal-Aqua Particolored Montana Sapphire (Heated)

    $1,600.00

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  • A 1.07-carat heated Montana sapphire with a round brilliant cut is displayed on a textured gray surface, with "EARTH'S TREASURY" at the bottom.

    1.07-Carat Deep Peacock Blue Montana Sapphire (Heated)

    $1,900.00

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  • A round, blue 1.10-carat Montana Sapphire (Heated) rests on a textured, light-colored surface with "EARTH'S TREASURY" at the bottom.

    1.10-Carat Teal Blue Montana Sapphire (Heated)

    $1,900.00

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  • A 1.19-carat heated Montana sapphire, expertly square-cut with intricate facets, rests on a textured gray surface. “EARTH’S TREASURY” is displayed at the bottom.

    1.19-Carat Teal Montana Sapphire (Heated)

    $1,750.00

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  • A 0.95-carat heated Montana sapphire, round and faceted, rests on a textured metallic surface with "EARTH'S TREASURY" displayed at the bottom.

    0.95-Carat Peacock Blue Montana Sapphire (Heated)

    $1,000.00

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  • A 0.99-carat round-cut heated Montana sapphire is displayed on a textured gray surface, with "Earth's Treasury" shown at the bottom.

    0.99-Carat Teal Blue Montana Sapphire (Heated)

    $1,250.00

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    Add to cartDone
  • A 1.01-carat heated Montana sapphire, featuring a round brilliant cut, is displayed on a textured surface with "EARTH'S TREASURY" written below.

    1.01-Carat Teal Blue Montana Sapphire (Heated)

    $1,500.00

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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.