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  • 0.87-Carat Light Aqua Blue Montana Sapphire (Heated)

    0.87-Carat Light Aqua Blue Montana Sapphire (Heated)

    $750.00

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  • 0.85-Carat Medium Blue Montana Sapphire (Heated)

    0.85-Carat Medium Blue Montana Sapphire (Heated)

    $850.00

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    Add to cartDone
  • 0.69-Carat Aqua Blue Montana Sapphire

    0.69-Carat Aqua Blue Montana Sapphire

    $725.00

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    Add to cartDone
  • 0.67-Carat Pale Yellow Montana Sapphire (Heated)

    0.67-Carat Pale Yellow Montana Sapphire (Heated)

    $600.00

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    Add to cartDone
  • 0.70-Carat Colorless Montana Sapphire (Heated)

    0.70-Carat Colorless Montana Sapphire (Heated)

    $700.00

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

    0.62-Carat Light Sky Blue Montana Sapphire (Heated)

    $625.00

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

    0.79-Carat Rich Sky Blue Montana Sapphire (Heated)

    $700.00

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

    0.75-Carat Medium Blue Montana Sapphire (Heated)

    $750.00

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    Add to cartDone
  • 0.74-Carat Orange-Yellow Bicolored Montana Sapphire (Heated)

    0.74-Carat Orange-Yellow Bicolored Montana Sapphire (Heated)

    $700.00

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

    0.88-Carat Teal Blue Montana Sapphire (Heated)

    $900.00

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  • 1.19-Carat Teal Blue Montana Sapphire (Heated)

    1.19-Carat Teal Blue Montana Sapphire (Heated)

    $1,750.00

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  • A 1.62-carat rich blue-green-yellow particolored Montana Sapphire (heated) with a square cushion cut rests on a textured gray surface. The "EARTH'S TREASURY" logo is visible at the bottom.

    1.62-Carat Rich Blue-Yellow Particolored Montana Sapphire

    $3,650.00

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  • A rectangular, emerald-cut 1.21-carat teal blue Montana sapphire sits on a textured gray surface. The gemstone's facets catch the light, highlighting its clarity and precision. The words "Earth's Treasury" are printed at the bottom.

    0.64-Carat Aqua Blue Montana Sapphire (Heated)

    $650.00

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

    0.59-Carat Teal Blue Montana Sapphire (Heated)

    $600.00

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    Add to cartDone
  • 0.84-Carat Pale Yellow-Green Montana Sapphire (Heated)

    0.84-Carat Pale Yellow-Green Montana Sapphire (Heated)

    $700.00

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    Add to cartDone
  • 6.87-Carat Deep Blue Tanzanite

    6.87-Carat Deep Blue Tanzanite

    $4,600.00

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  • A 1.04-carat medium blue-sky blue particolored Montana sapphire (H) rests on a textured gray surface featuring the "Earth's Treasury" logo and text at the bottom.

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

    $1,950.00

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  • 2.48-Carat Medium Blue Montana Sapphire

    2.48-Carat Medium Blue Montana Sapphire

    $8,700.00

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    Add to cartDone
  • 0.73-Carat Robin's Egg Blue Montana Sapphire

    0.73-Carat Robin’s Egg Blue Montana Sapphire

    $750.00

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    Add to cartDone
  • 0.81-Carat Robin's Egg Blue Montana Sapphire

    0.81-Carat Robin’s Egg Blue Montana Sapphire

    $1,000.00

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  • 0.95-Carat Pale Blue Montana Sapphire

    0.95-Carat Pale Blue Montana Sapphire

    $1,300.00

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  • A 1.27-carat rich blue Montana Sapphire (heated), cut in a round brilliant shape, is displayed on a textured gray surface with "EARTH'S TREASURY" underneath.

    1.27-Carat Rich Blue Montana Sapphire (Heated)

    $2,200.00

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  • 1.90-Carat Golden Yellow Montana Sapphire (Heated)

    1.90-Carat Golden Yellow Montana Sapphire (Heated)

    $2,850.00

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    Add to cartDone
  • 1.57-Carat Greenish-Yellow Nigerian Sapphire (Heated)

    1.57-Carat Greenish-Yellow Nigerian Sapphire (Heated)

    $1,900.00

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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.