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  • A 1.40-carat heated Montana sapphire with a cushion cut rests on a textured gray surface, with "EARTH'S TREASURY" displayed at the bottom.

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

    $2,800.00

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  • A rectangular, faceted 0.83-carat heated Montana sapphire with a blue-green hue is displayed on a textured light gray surface above the text "EARTH'S TREASURY.

    0.83-Carat Light Aqua Blue Montana Sapphire (Heated)

    $800.00

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    Add to cartDone
  • A rectangular, faceted 1.60-carat heated Montana sapphire with a blue hue is shown on a textured grey surface, the "Earth's Treasury" logo displayed below.

    1.60-Carat Peacock Blue Montana Sapphire (Heated)

    $3,250.00

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    Add to cartDone
  • A 0.81-carat heated Montana sapphire, round brilliant-cut in blue-green, is displayed on a textured gray surface with the text "EARTH'S TREASURY" at the bottom.

    0.81-Carat Light Aqua Montana Sapphire (Heated)

    $900.00

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    Add to cartDone
  • A 1.38-carat heated Montana sapphire is showcased on a textured light gray surface with the text "EARTH'S TREASURY" below it.

    1.32-Carat Teal Blue Montana Sapphire (Heated)

    $3,050.00

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    Add to cartDone
  • A 1.39-carat heated Montana sapphire with a blue-green hue is displayed on a textured gray surface, with "EARTH'S TREASURY" text at the bottom.

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

    $3,050.00

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    Add to cartDone
  • A 1.64-carat heated Montana sapphire with a cushion cut is showcased on a textured light gray surface, with "EARTH'S TREASURY" visible at the bottom.

    1.64-Carat Peacock Blue Montana Sapphire (Heated)

    $4,050.00

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    Add to cartDone
  • A 0.93-carat heated Montana sapphire with round, faceted cuts glimmers in light blue and yellow hues atop a textured gray surface bearing the "Earth's Treasury" logo.

    0.93-Carat Pale Aqua-Gold Particolored Montana Sapphire (Heated)

    $1,200.00

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

    1.07-Carat Medium-Sky Blue Particolored Montana Sapphire (Heated)

    $1,900.00

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    Add to cartDone
  • A 1.33-carat heated Montana sapphire, round brilliant-cut and blue, is displayed on a textured gray surface with the "Earth's Treasury" logo at the bottom.

    1.33-Carat Rich Steely Blue Montana Sapphire (Heated)

    $1,600.00

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    Add to cartDone
  • A round, brilliantly cut 2.03-carat Montana Sapphire in medium blue is displayed on a geometric patterned surface, with the text "EARTH'S TREASURY" at the bottom.

    2.03-Carat Medium Blue Montana Sapphire

    $7,700.00

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    Add to cartDone
  • A stunning 1.75-Carat Montana Sapphire in round brilliant-cut blue-green hues rests on a textured metallic surface, with the "EARTH'S TREASURY" logo displayed beneath.

    1.75-Carat Teal-Aqua Particolored Montana Sapphire

    $4,500.00

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    Add to cartDone
  • A 1.37-carat heated Montana sapphire, faceted in an oval shape and blue in color, is displayed on a textured gray surface with "EARTH'S TREASURY" at the bottom.

    1.37-Carat Violet Purple Montana Sapphire (Heated)

    $2,750.00

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    Add to cartDone
  • A faceted oval 1.60-carat heated Montana sapphire is displayed on a textured gray surface, with the text "EARTH'S TREASURY" at the bottom.

    1.60-Carat Teal Blue Montana Sapphire (Heated)

    $3,600.00

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    Add to cartDone
  • A 1.91-carat oval-cut Montana sapphire (heated) is displayed on a textured gray surface with the text "EARTH'S TREASURY" beneath it.

    1.91-Carat Rich Sky Blue Montana Sapphire (Heated)

    $5,250.00

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    Add to cartDone
  • A 3.05-carat heated Montana sapphire with a round brilliant cut is displayed on a textured, light-colored surface with the text "EARTH'S TREASURY" below.

    3.05-Carat Peacock-Teal Particolored Montana Sapphire (Heated)

    $10,700.00

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    Add to cartDone
  • A 1.29-carat heated Montana sapphire, rectangular and faceted in blue-green hues, showcased on a light textured surface with "EARTH'S TREASURY" beneath.

    1.29-Carat Teal-Yellow Particolored Montana Sapphire (Heated)

    $2,300.00

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    Add to cartDone
  • A 1.12-carat round, faceted blue-green Montana Sapphire gemstone is shown on a textured, patterned surface with "EARTH'S TREASURY" at the bottom.

    1.12-Carat Aqua Green Montana Sapphire

    $2,250.00

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    Add to cartDone
  • A 2.30-carat heated Montana Sapphire gemstone, round and blue-green with facets, is displayed on a textured gray surface with "EARTH'S TREASURY" below.

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

    $6,900.00

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    Add to cartDone
  • A 2.53-carat heated Montana sapphire, round brilliant-cut and blue, is displayed on a textured surface with the text "EARTH'S TREASURY" below it.

    2.53-Carat Medium Blue Montana Sapphire (Heated)

    $9,750.00

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    Add to cartDone
  • A 1.33-carat round-cut heated Montana sapphire is displayed on a textured gray metallic surface with the Earth’s Treasury logo at the bottom.

    1.33-Carat Steely Blue Montana Sapphire (Heated)

    $2,650.00

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    Add to cartDone
  • A 1.50-carat heated Montana sapphire gemstone is shown on a textured gray surface, with the Earth's Treasury logo at the bottom.

    1.50-Carat Teal Blue Montana Sapphire (Heated)

    $3,000.00

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    Add to cartDone
  • A faceted, hexagonal 0.97-carat heated Montana sapphire with a blue hue is displayed on a textured light gray surface featuring the Earth's Treasury logo at the bottom.

    0.97-Carat Violet-Blue Montana Sapphire (Heated)

    $1,200.00

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    Add to cartDone
  • A 1.14-carat heated Montana sapphire with geometric faceting rests on a textured gray surface; the "Earth's Treasury" logo appears below the gemstone.

    1.14-Carat Medium Blue Montana Sapphire (Heated)

    $2,000.00

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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.