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  • A 1.56-carat heated Montana sapphire with a blue faceted cut rests on a textured gray surface, "Earth's Treasury" written below.

    1.56-Carat Peacock Blue Montana Sapphire (Heated)

    $1,800.00

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    Add to cartDone
  • A round, faceted 1.93-carat heated Montana sapphire is showcased on a textured gray surface with "EARTH'S TREASURY" displayed at the bottom.

    1.93-Carat Sky Blue Montana Sapphire (Heated)

    $2,900.00

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    Add to cartDone
  • A 1.29-carat Montana Sapphire with a bluish-gray hue rests on a textured surface. The "EARTH'S TREASURY" logo and text are shown at the bottom.

    1.29-Carat Pale Aqua-Yellow Particolored Montana Sapphire

    $2,200.00

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    Add to cartDone
  • A 1.46-carat Australian sapphire (heated) is displayed on a light textured surface.

    1.46-Carat Green-Yellow Particolored Australian Sapphire (Heated)

    $2,900.00

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    Add to cartDone
  • A 1.18-carat heated Australian sapphire with intricate facets is displayed against a textured gray surface.

    1.18-Carat Yellow-Green Particolored Australian Sapphire (Heated)

    $800.00

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    Add to cartDone
  • A 1.72-carat heated Montana sapphire with intricate facets displayed against a textured surface.

    1.72-Carat Rich Teal Montana Sapphire (Heated)

    $2,300.00

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    Add to cartDone
  • A 1.91-carat heated Montana sapphire, faceted and blue, rests on a textured surface with the "Earth's Treasury" logo beneath it.

    1.91-Carat Peacock Blue Montana Sapphire (Heated)

    $4,100.00

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    Add to cartDone
  • A faceted 2.30-carat heated Montana sapphire with a starburst pattern rests on a textured surface. Text at the bottom reads "Earth's Treasury.

    2.30-Carat Teal Blue Montana Sapphire (Heated)

    $5,850.00

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    Add to cartDone
  • A 3.35-carat heated Montana sapphire gemstone, shown against a textured background, is labeled "Earth's Treasury" in the corner.

    3.35-Carat Rich Teal Montana Sapphire (Heated)

    $12,900.00

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    Add to cartDone
  • A 2.72-carat Montana Sapphire with a dark, deep blue hue and multiple facets rests on a textured surface. Below the gem, text reads "Earth's Treasury.

    2.72-Carat Near Black Montana Sapphire (Heated)

    $2,200.00

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    Add to cartDone
  • A 1.01-carat heated Montana sapphire gemstone, round and teal, on a textured surface.

    1.01-Carat Peacock Blue Montana Sapphire (Heated)

    $1,750.00

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    Add to cartDone
  • A 1.00-carat heated Montana Sapphire, exhibiting a faceted blue brilliance, rests on a textured surface alongside the "Earth's Treasury" logo.

    1.00-Carat Peacock Blue Montana Sapphire (Heated)

    $1,500.00

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    Add to cartDone
  • A faceted, round 1.33-carat Montana Sapphire with a blue-green hue is showcased against a textured gray surface. Text at the bottom reads "EARTH'S TREASURY.

    1.33-Carat Teal Montana Sapphire (Heated)

    $1,600.00

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    Add to cartDone
  • A 1.03-carat Montana sapphire, featuring a rectangular cut with multiple facets, is placed on a textured surface.

    1.03-Carat Peacock Blue Montana Sapphire (Heated)

    $1,550.00

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    Add to cartDone
  • A sparkling blue 1.07-carat Montana sapphire (heated) displayed on a textured surface with the text "Earth's Treasury" below.

    1.07-Carat Medium Blue Montana Sapphire (Heated)

    $1,100.00

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    Add to cartDone
  • A yellow faceted gemstone on a textured surface with the logo "Earth's Treasury" below, showcasing the 1.15-Carat Montana Sapphire (Heated).

    1.15-Carat Lemon Yellow Montana Sapphire (Heated)

    $1,500.00

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    Add to cartDone
  • A 1.34-carat Montana Sapphire (Heated) with intricate facets rests on a textured surface, and the words "Earth's Treasury" appear at the bottom.

    1.34-Carat Teal Blue Montana Sapphire (Heated)

    $1,600.00

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    Add to cartDone
  • A close-up of a faceted pale violet-blue 2.48-Carat Ceylon Sapphire gemstone on a textured surface with the text "Earth's Treasury" at the bottom.

    1.36-Carat Pale Violet-Blue Ceylon Sapphire

    $2,700.00

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    Add to cartDone
  • A round, steely blue to purple faceted sapphire is displayed on a textured surface. The text below reads "EARTH'S TREASURY 2.14-Carat Montana Sapphire (Heated).

    2.14-Carat Steely Blue to Purple Color Change Montana Sapphire (Heated)

    $6,400.00

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    Add to cartDone
  • 0.84-Carat Aqua Montana Sapphire (Heated)

    0.84-Carat Aqua Montana Sapphire (Heated)

    $850.00

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    Add to cartDone
  • 1.21-Carat Aqua Blue Montana Sapphire (Heated)

    1.21-Carat Aqua Blue Montana Sapphire (Heated)

    $1,800.00

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    Add to cartDone
  • 1.66-Carat Deep Blue Montana Sapphire (Heated)

    1.66-Carat Deep Blue Montana Sapphire (Heated)

    $2,250.00

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    Add to cartDone
  • 0.75-Carat Teal Blue Montana Sapphire (Heated)

    0.75-Carat Teal Blue Montana Sapphire (Heated)

    $750.00

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    Add to cartDone
  • 0.84-Carat Sky Blue Montana Sapphire (Heated)

    0.84-Carat Sky Blue Montana Sapphire (Heated)

    $840.00

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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.