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  • A 1.04-carat heated Montana Sapphire with a blue-green hue is displayed on a textured, light gray surface. "EARTH'S TREASURY" appears at the bottom of the image.

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

    $1,550.00

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  • A 1.65-carat heated Montana sapphire with a faceted blue hue rests on a textured surface, with the "EARTH'S TREASURY" logo at the bottom.

    1.65-Carat Teal Blue Montana Sapphire (Heated)

    $3,150.00

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  • A 2.97-carat heated Montana sapphire with a deep blue hue is displayed on a textured gray surface, with "Earth's Treasury" shown below.

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

    $8,900.00

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  • A 1.20-carat heated Montana sapphire, round and blue with facets, is shown on a textured gray surface featuring the "Earth's Treasury" logo at the bottom.

    1.20-Carat Teal Montana Sapphire (Heated)

    $2,100.00

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  • A 1.32-carat heated Montana sapphire, round and faceted with a teal-blue color, rests on a light gray textured surface; “EARTH'S TREASURY” appears at the bottom.

    1.32-Carat Teal Montana Sapphire (Heated)

    $2,100.00

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  • A faceted oval 1.47-carat heated Montana sapphire in blue rests on a textured gray surface, with the text "EARTH'S TREASURY" below.

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

    $2,250.00

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  • A 1.55-carat heated Montana sapphire is displayed on a textured gray surface with the text "EARTH'S TREASURY" below.

    1.55-Carat Peacock Blue Montana Sapphire (Heated)

    $1,900.00

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  • A 1.60-carat heated Montana sapphire, faceted in an oval cut with a deep blue hue, displayed on a textured gray surface above the text "EARTH'S TREASURY.

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

    $2,300.00

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  • A 1.65-carat Montana Sapphire (heated), oval-cut with a starburst pattern, rests on a textured silver-colored surface. "EARTH'S TREASURY" is visible at the bottom.

    1.65-Carat Rich Teal-Aqua Particolored Montana Sapphire (Heated)

    $3,800.00

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  • A 1.77-carat oval-cut Montana Sapphire (heated) is showcased on a textured, light surface with "EARTH'S TREASURY" and a hexagonal logo below.

    1.77-Carat Teal Blue Montana Sapphire (Heated)

    $2,400.00

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  • A 1.83-carat heated Montana sapphire in faceted teal-blue rests on a patterned surface with "EARTH'S TREASURY" displayed at the bottom.

    1.83-Carat Spruce Green Montana Sapphire (Heated)

    $3,400.00

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  • A 2.42-carat heated Montana sapphire, oval and blue-green, is displayed on a textured gray surface with "EARTH'S TREASURY" at the bottom.

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

    $3,000.00

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    Add to cartDone
  • A 2.42-carat heated Montana sapphire, faceted in an oval shape with a teal hue, displayed on a textured light surface, with "EARTH'S TREASURY" beneath.

    2.42-Carat Rich Teal Montana Sapphire (Heated)

    $4,000.00

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    Add to cartDone
  • A round, faceted 2.71-carat heated Montana sapphire is displayed on a textured gray surface with "EARTH'S TREASURY" at the bottom.

    2.71-Carat Peacock-Aqua Particolored Montana Sapphire (Heated)

    $9,500.00

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  • A 2.92-carat heated Montana Sapphire with a faceted oval blue-green cut is showcased on a textured gray surface, featuring the text "Earth's Treasury" below.

    2.92-Carat Rich Teal Montana Sapphire (Heated)

    $9,200.00

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  • The "Aralia" ring in platinum, featuring a 1.03-carat Montana sapphire and leaf details, is shown on a green plant stem with the Earth’s Treasury logo below.The "Aralia" ring in platinum with a 1.03-carat Montana sapphire stands upright, displaying its band and setting, with a rough blue stone behind it on a patterned surface. The Earth's Treasury logo appears below.

    The “Aralia” Ring

    $2,150.00

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    Select optionsDone This product has multiple variants. The options may be chosen on the product page
  • The Deluxe "Ivey" ring in 14k yellow gold with a 1.58-carat Australian sapphire, featuring an intricate leaf and vine design, is displayed on a green plant stem. Below it appears the text "EARTH'S TREASURY.The Deluxe "Ivey" ring in 14k yellow gold with a 1.58-carat Australian sapphire stands upright against a blue textured surface, displayed before a geometric patterned background with the Earth's Treasury logo below.

    The Deluxe “Ivey” Ring

    $2,100.00

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    Select optionsDone This product has multiple variants. The options may be chosen on the product page
  • A 0.81-carat heated Montana sapphire with a rich blue hue rests on a textured light gray surface, featuring the "EARTH'S TREASURY" text and a hexagon logo at the bottom.

    0.81-Carat Medium Blue Montana Sapphire (Heated)

    $850.00

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  • A 1.08-carat heated Montana sapphire with a square cushion cut rests on a textured gray surface. "EARTH'S TREASURY" is displayed at the bottom of the image.

    1.08-Carat Teal-Blue Particolored Montana Sapphire (Heated)

    $1,650.00

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  • A 1.23-carat heated Montana sapphire rests on a textured, light surface with "EARTH'S TREASURY" and a hexagon logo below.

    1.23-Carat Teal Blue Montana Sapphire (Heated)

    $2,150.00

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    Add to cartDone
  • A 1.16-carat heated Montana sapphire with geometric cuts is displayed on a textured gray surface. "EARTH'S TREASURY" appears at the bottom.

    1.16-Carat Rich Teal Montana Sapphire (Heated)

    $1,750.00

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  • A 0.94-carat heated Montana sapphire shines on a textured gray surface, with "Earth's Treasury" displayed at the bottom.

    0.94-Carat Rich Blue-Teal Particolored Montana Sapphire (Heated)

    $1,200.00

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    Add to cartDone
  • A 0.94-carat heated Montana sapphire with a faceted blue starburst pattern is displayed on a textured metallic surface, with the "Earth's Treasury" logo beneath.

    0.94-Carat Teal-Blue Particolored Montana Sapphire (Heated)

    $1,200.00

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    Add to cartDone
  • A 1.31-carat heated Montana sapphire in blue-green rests on a textured light gray surface. "EARTH'S TREASURY" appears at the bottom of the image.

    1.31-Carat Rich Teal 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.