Rock Creek, Montana

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  • A 1.03-carat, round brilliant-cut Montana sapphire (heated) is displayed on a textured gray surface with “Earth’s Treasury” at the bottom.

    1.03-Carat Pale Aqua Montana Sapphire (Heated)

    $1,800.00

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  • A round brilliant-cut 0.79-carat heated Montana sapphire is shown on a light textured surface with "Earth's Treasury" at the bottom.

    0.79-Carat Steely Blue Montana Sapphire (Heated)

    $800.00

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    Add to cartDone
  • A 1.18-carat heated Montana sapphire with a peachy-pink hue is shown on a textured metallic surface, featuring "EARTH'S TREASURY" at the bottom.

    1.18-Carat Pale Violet-Orange Particolored Montana Sapphire (Heated)

    $1,800.00

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  • A 1.29-carat heated Montana Sapphire, round and faceted, rests on a textured gray surface with "Earth's Treasury" below it.

    1.29-Carat Teal Blue Montana Sapphire (Heated)

    $2,300.00

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

    1.30-Carat Teal Blue Montana Sapphire (Heated)

    $2,600.00

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    Add to cartDone
  • A 1.64-carat heated Montana sapphire, round brilliant-cut and blue in color, is shown on a gray textured surface with "EARTH'S TREASURY" written below.

    1.64-Carat Pale Sky Blue Montana Sapphire (Heated)

    $3,700.00

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  • A 1.70-carat round brilliant-cut heated Montana sapphire is displayed upright on a textured gray surface, with the "Earth's Treasury" logo shown at the bottom.

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

    $4,200.00

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  • A round, deep blue-green 1.42-carat Montana Sapphire (Heated) is displayed on a textured light surface with "EARTH'S TREASURY" below.

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

    $2,550.00

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  • 1.78-Carat Montana Sapphire (Heated), round brilliant-cut, displayed on a textured gray surface with the "Earth's Treasury" logo and text beneath the stone.

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

    $3,050.00

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    Add to cartDone
  • A 2.00-carat round brilliant-cut heated Montana Sapphire is displayed on a light textured surface with "EARTH'S TREASURY" below.

    2.00-Carat Cornflower Blue Montana Sapphire (Heated)

    $6,900.00

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  • A 2.19-carat heated Montana sapphire, round brilliant cut, is displayed on a textured gray surface with "EARTH'S TREASURY" text at the bottom.

    2.19-Carat Medium Blue Montana Sapphire (Heated)

    $6,150.00

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  • A cushion-cut 1.05-carat heated Montana sapphire in pale blue-green rests on a textured light gray surface featuring the "Earth's Treasury" logo at the bottom.

    1.05-Carat Pale Aqua-Teal Particolored Montana Sapphire (Heated)

    $1,850.00

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    Add to cartDone
  • 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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    Add to cartDone
  • A 1.46-carat heated Montana sapphire with a yellow-green gradient, cushion-cut and displayed on a textured surface, features "Earth's Treasury" branding at the bottom.

    1.46-Carat Gold-Mint Particolored Montana Sapphire (Heated)

    $1,850.00

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  • A 1.53-carat heated Montana sapphire with an octagonal shape is displayed on a light textured surface, with the text "EARTH'S TREASURY" below.

    1.53-Carat Deep Peacock Blue Montana Sapphire (Heated)

    $3,050.00

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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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  • A 1.08-carat heated Montana sapphire with faceted edges is displayed on a textured gray surface, with "EARTH'S TREASURY" below.

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

    $1,900.00

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    Add to cartDone
  • A 1.10-carat heated Montana sapphire with a blue, rectangular step-cut is displayed on a light textured surface. The text “EARTH'S TREASURY” appears at the bottom.

    1.10-Carat Peacock Blue Montana Sapphire (Heated)

    $2,100.00

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    Add to cartDone
  • A 1.11-carat rectangular blue Montana sapphire (heated) with angular facets rests on a light textured surface. "EARTH'S TREASURY" appears at the bottom.

    1.11-Carat Medium Blue Montana Sapphire (Heated)

    $1,650.00

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    Add to cartDone
  • A 1.26-carat heated Montana sapphire with a rectangular blue-green facet is displayed on a light textured surface, with "EARTH'S TREASURY" written below.

    1.26-Carat Aqua Montana Sapphire (Heated)

    $1,300.00

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    Add to cartDone
  • A 1.27-carat radiant-cut blue Montana sapphire (heated) with geometric facets is displayed on a textured gray surface, with the "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 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
  • 1.60-Carat Aqua-Blue Particolored Montana Sapphire (Heated)

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

    $3,050.00

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    Add to cartDone
  • A rectangular, blue 1.02-carat heated Montana sapphire rests on a textured gray surface with "Earth's Treasury" branding at the bottom.

    1.02-Carat Sky Blue Montana Sapphire (Heated)

    $1,500.00

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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.