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  • 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 round, faceted pale green 0.83-carat Montana Sapphire (Heated) rests on a textured gray surface, with "Earth's Treasury" displayed at the bottom.

    0.83-Carat Light Yellow-Green Particolored Montana Sapphire (Heated)

    $850.00

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    Add to cartDone
  • 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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    Add to cartDone
  • 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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    Add to cartDone
  • 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 1.21-carat heated Montana sapphire with blue and yellow hues is displayed on a textured gray surface with the text "EARTH'S TREASURY" below.

    1.21-Carat Light Aqua-Yellow Particolored Montana Sapphire (Heated)

    $2,300.00

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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
  • A 1.36-carat heated Montana sapphire, oval faceted and blue, rests on a light textured surface with "EARTH'S TREASURY" at the bottom.

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

    $1,600.00

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    Add to cartDone
  • A faceted 1.62-carat heated Montana sapphire with intricate cuts rests on a textured light surface; the "EARTH'S TREASURY" logo appears at the bottom.

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

    $2,200.00

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    Add to cartDone
  • A faceted oval 1.00-carat heated Montana Sapphire rests on a textured, light gray surface with the text "EARTH'S TREASURY" below.

    1.00-Carat Peacock-Blue Particolored Montana Sapphire (Heated)

    $1,900.00

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    Add to cartDone
  • A 1.10-carat heated Montana sapphire, faceted in an oval cut, is shown on a textured light surface with the Earth's Treasury logo below.

    1.10-Carat Near Colorless Montana Sapphire (Heated)

    $1,700.00

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    Add to cartDone
  • A 1.11-carat heated Montana sapphire, round brilliant-cut, is displayed on a textured gray surface with "EARTH'S TREASURY" at the bottom.

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

    $1,950.00

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    Add to cartDone
  • A round, faceted blue-green 1.17-carat Montana Sapphire (Heated) rests on a textured, light-colored surface, with "EARTH'S TREASURY" displayed at the bottom.

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

    $1,750.00

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    Add to cartDone
  • A 1.21-carat heated Montana sapphire in a round brilliant cut is displayed on a textured gray surface with "EARTH'S TREASURY" at the bottom.

    1.21-Carat Sky Blue Montana Sapphire (Heated)

    $1,950.00

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    Add to cartDone
  • 1.24-Carat Montana Sapphire (Heated) with a faceted blue starburst pattern, displayed on a textured light gray surface, features the "Earth's Treasury" logo at the bottom.

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

    $2,200.00

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    Add to cartDone
  • A faceted blue 1.43-carat Montana sapphire (heated) rests on a textured gray surface; "EARTH'S TREASURY" logo and text appear at the bottom.

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

    $2,850.00

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    Add to cartDone
  • A 1.26-carat heated Montana Sapphire, round brilliant-cut and blue, displayed on a textured light gray surface with the "Earth's Treasury" logo and text at the bottom.

    1.26-Carat Aqua Blue Montana Sapphire (Heated)

    $2,200.00

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    Add to cartDone
  • A 0.97-carat heated Montana sapphire with blue facets rests on a light textured surface, with the Earth's Treasury logo and text shown below.

    0.97-Carat Teal Blue Montana Sapphire (Heated)

    $1,050.00

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    Add to cartDone
  • A 1.48-carat heated Montana sapphire with geometric facets rests on a textured gray surface. The "Earth's Treasury" logo is displayed at the bottom.

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

    $3,000.00

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    Add to cartDone
  • A 1.16-carat heated Montana sapphire, round and faceted, rests on a light textured surface with the Earth's Treasury logo displayed below.

    1.16-Carat Teal Blue Montana Sapphire (Heated)

    $1,750.00

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    Add to cartDone
  • A faceted 0.88-carat heated Montana sapphire rests on a light-textured surface, with "EARTH'S TREASURY" and logo displayed at the bottom.

    0.88-Carat Teal Blue Montana Sapphire (Heated)

    $900.00

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    Add to cartDone
  • A 0.99-carat cushion-cut Montana Sapphire (heated), light blue in color, rests on a textured gray surface with "Earth's Treasury" displayed at the bottom.

    0.99-Carat Near Colorless Montana Sapphire (Heated)

    $1,050.00

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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.