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  • A round, faceted 1.42-Carat Peacock Blue Montana Sapphire (Heated) rests on a textured surface with "EARTH'S TREASURY" and a small geometric logo below.

    1.42-Carat Peacock Blue Montana Sapphire (Heated)

    $2,900.00

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  • A 2.01-Carat Pale Blue Montana Sapphire rests on a textured, metallic surface. The "Earth's Treasury" logo and text are visible at the bottom.

    2.01-Carat Pale Blue Montana Sapphire

    $4,550.00

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    Add to cartDone
  • 0.91-Carat Teal Blue Montana Sapphire

    0.91-Carat Teal Blue Montana Sapphire

    $1,100.00

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    Add to cartDone
  • A faceted yellow 2.11-Carat Montana Sapphire displayed on a textured surface with the words "Earth's Treasury" beneath it.

    2.11-Carat Yellow-Green Particolored Montana Sapphire

    $4,250.00

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

    0.87-Carat Yellow Montana Sapphire (Heated)

    $700.00

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

    1.17-Carat Teal Blue Montana Sapphire (Heated)

    $1,500.00

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    Add to cartDone
  • A 1.37-carat sky-pale blue particolored Montana Sapphire (heated), cut in a round brilliant style, rests on a textured gray surface with the "Earth's Treasury" logo and text below.

    1.37-Carat Sky-Pale Blue Particolored Montana Sapphire (Heated)

    $2,100.00

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

    0.86-Carat Medium Blue Montana Sapphire (Heated)

    $800.00

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    Add to cartDone
  • 1.35-Carat Peacock Blue Montana Sapphire (Heated)

    1.35-Carat Peacock Blue Montana Sapphire (Heated)

    $2,350.00

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

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

    $2,650.00

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    Add to cartDone
  • A 1.26-carat blue-green bicolored Montana sapphire (heated), cushion-cut, is shown on a metallic patterned surface with the text "EARTH'S TREASURY" below.

    1.26-Carat Rich Blue-Teal Bicolored Montana Sapphire (Heated)

    $2,100.00

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

    1.26-Carat Medium Blue Montana Sapphire (Heated)

    $1,800.00

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

    0.94-Carat Medium Blue Montana Sapphire (Heated)

    $940.00

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

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

    $4,100.00

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    Add to cartDone
  • 0.90-Carat Peacock Blue Montana Sapphire (Heated)

    0.90-Carat Peacock Blue Montana Sapphire (Heated)

    $900.00

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

    1.16-Carat Teal Blue Montana Sapphire (Heated)

    $1,950.00

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    Add to cartDone
  • 1.12-Carat Yellow-Aqua Particolored Montana Sapphire (Heated)

    1.12-Carat Yellow-Aqua Particolored Montana Sapphire (Heated)

    $1,600.00

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

    1.11-Carat Medium Blue Montana Sapphire (Heated)

    $1,600.00

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

    0.91-Carat Light Sky Blue Montana Sapphire (Heated)

    $900.00

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

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

    $1,800.00

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    Add to cartDone
  • 1.11-Carat Peacock Blue Montana Sapphire (Heated)

    1.11-Carat Peacock Blue Montana Sapphire (Heated)

    $1,650.00

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    Add to cartDone
  • 2.26-Carat Medium Blue Montana Sapphire

    2.26-Carat Medium Blue Montana Sapphire

    $6,650.00

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

    2.37-Carat Near Colorless Montana Sapphire (Heated)

    $5,900.00

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

    1.90-Carat Teal Blue Montana Sapphire (Heated)

    $3,900.00

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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.