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  • 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
  • 1.05-Carat Blue-Aqua Particolored Montana Sapphire (Heated)

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

    $1,100.00

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    Add to cartDone
  • A 1.13-carat blue-teal particolored Montana Sapphire (heated) rests on a textured surface, with the "Earth's Treasury" logo and text at the bottom.

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

    $2,200.00

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

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

    $1,300.00

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

    1.25-Carat Sky Blue Montana Sapphire (Heated)

    $1,400.00

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    Add to cartDone
  • A 1.27-carat medium blue Montana Sapphire (heated) is displayed on a textured surface with "Earth's Treasury" text and logo below.

    1.27-Carat Medium Blue Montana Sapphire (Heated)

    $1,900.00

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    Add to cartDone
  • A 1.35-Carat Rich Teal Montana Sapphire (Heated) with geometric facets rests on a textured gray surface, "Earth's Treasury" displayed below the gem.

    1.35-Carat Rich Teal Montana Sapphire (Heated)

    $2,300.00

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    Add to cartDone
  • 1.38-Carat Yellow-Gold Particolored Montana Sapphire (Heated)

    1.38-Carat Yellow-Gold Particolored Montana Sapphire (Heated)

    $1,800.00

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    Add to cartDone
  • 1.38-Carat Yellow-Gold Particolored Montana Sapphire (Heated)

    1.38-Carat Yellow-Gold Particolored Montana Sapphire (Heated)

    $2,100.00

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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.