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  • A blue Montana sapphire in our "Serendipity" oval design

    0.71-Carat Sky Blue Montana Sapphire (Heated)

    $700.00

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

    0.82-Carat Rich Sky Blue Montana Sapphire (Heated)

    $800.00

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    Add to cartDone
  • 1.48-Carat Yellow Australian Sapphire (Heated)

    1.48-Carat Yellow Australian Sapphire (Heated)

    $1,450.00

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    Add to cartDone
  • 1.66-Carat Midnight Blue Australian Sapphire (Heated)

    1.66-Carat Midnight Blue Australian Sapphire (Heated)

    $1,700.00

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    Add to cartDone
  • 0.74-Carat Deep Peacock Blue Australian Sapphire (Heated)

    0.74-Carat Deep Peacock Blue Australian Sapphire (Heated)

    $750.00

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    Add to cartDone
  • A faceted 2.16-carat dark green Australian sapphire with a trillion cut rests on a textured metallic surface. The text "Earth's Treasury" appears at the bottom.

    2.16-Carat Dark Green Australian Sapphire (Heated)

    $4,300.00

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    Add to cartDone
  • 1.76-Carat Olive Green Australian Sapphire (Heated)

    1.76-Carat Olive Green Australian Sapphire (Heated)

    $2,950.00

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    Add to cartDone
  • 1.91-Carat Midnight Blue-Green Particolored Australian Sapphire (Heated)

    1.91-Carat Midnight Blue-Green Particolored Australian Sapphire (Heated)

    $2,600.00

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    Add to cartDone
  • 1.43-Carat Midnight Blue-Green Australian Sapphire (Heated)

    1.43-Carat Midnight Blue-Green Australian Sapphire (Heated)

    $1,400.00

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    Add to cartDone
  • A 1.72-carat Lemon Yellow Australian Sapphire, faceted in an oval shape, is shown on a textured gray surface with the "Earth's Treasury" logo beneath it.

    1.72-Carat Lemon Yellow Australian Sapphire (Heated)

    $2,100.00

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    Add to cartDone
  • 3.14-Carat Near Black Australian Sapphire (Heated)

    3.14-Carat Near Black Australian Sapphire (Heated)

    $2,400.00

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    Add to cartDone
  • 0.58-Carat Light Yellow Australian Sapphire (Heated)

    0.58-Carat Light Yellow Australian Sapphire (Heated)

    $600.00

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

    0.88-Carat Rich Blue Montana Sapphire (Heated)

    $800.00

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    Add to cartDone
  • 1.78-Carat Yellow-Blue Particolored Montana Sapphire (Heated)

    1.78-Carat Yellow-Blue Particolored Montana Sapphire (Heated)

    $3,100.00

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

    1.45-Carat Medium Blue Montana Sapphire (Heated)

    $2,900.00

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

    1.38-Carat Aqua Blue Montana Sapphire (Heated)

    $2,100.00

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

    0.98-Carat Sky Blue Montana Sapphire (Heated)

    $1,100.00

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

    0.84-Carat Yellow Montana Sapphire (Heated)

    $700.00

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

    0.85-Carat Light Aqua Montana Sapphire (Heated)

    $650.00

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

    0.85-Carat Rich Sky Blue Montana Sapphire (Heated)

    $700.00

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

    0.86-Carat Rich Sky Blue Montana Sapphire (Heated)

    $700.00

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

    0.97-Carat Aqua Blue Montana Sapphire (Heated)

    $1,000.00

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

    0.70-Carat Bright Orange Montana Sapphire (Heated)

    $700.00

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    Add to cartDone
  • 0.97-Carat Robin's Egg Blue Montana Sapphire (Heated)

    0.97-Carat Robin’s Egg Blue Montana Sapphire (Heated)

    $950.00

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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.