0.91

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  • A 0.91-carat faceted Ceylon sapphire (heated), displaying blue and yellow hues, rests on a textured gray surface with "EARTH'S TREASURY" at the bottom.

    0.91-Carat Sky Blue-Yellow Particolored Ceylon Sapphire (Heated)

    $1,900.00

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  • A rectangular, deep blue and teal 0.91-carat heated Montana sapphire rests on a textured gray surface with "EARTH'S TREASURY" below.

    0.91-Carat Deep Peacock-Yellow Particolored Montana Sapphire (Heated)

    $1,150.00

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  • Displayed on a textured gray surface with the Earth's Treasury logo is a 0.91-carat, cushion-cut Montana sapphire gemstone.

    0.91-Carat Violet-Blue Montana Sapphire (Heated)

    $950.00

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  • A 0.91-carat Montana Sapphire (heated), featuring a round faceted cut and blue hue, is showcased on a textured gray surface with the text "Earth's Treasury" below.

    0.91-Carat Rich Blue Montana Sapphire (Heated)

    $1,050.00

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  • 0.91-Carat Pale Aqua Blue Montana Sapphire (Heated)

    0.91-Carat Pale Aqua Blue Montana Sapphire (Heated)

    $680.00

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  • 0.91-Carat Orange Montana Sapphire (Heated)

    0.91-Carat Orange Montana Sapphire (Heated)

    $680.00

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  • A faceted hexagonal 0.91-carat near colorless Montana sapphire with a brilliant cut, displaying clear and sparkling clarity, is placed on a textured gray surface. The text "EARTH'S TREASURY" is centered below the gemstone.

    0.91-Carat Near Colorless Montana Sapphire

    $1,100.00

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  • 0.91-Carat Near Colorless Montana Sapphire

    0.91-Carat Near Colorless Montana Sapphire

    $1,000.00

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

    0.91-Carat Teal Blue Montana Sapphire (Heated)

    $1,150.00

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  • The rectangular, faceted 0.91-carat Pale Aqua Montana Sapphire (MS7192) is shown on a textured light gray surface with "EARTH'S TREASURY" and a logo displayed below.

    0.91-Carat Pale Aqua Montana Sapphire (Heated)

    $800.00

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  • 0.91-Carat Teal Blue Montana Sapphire

    0.91-Carat Teal Blue Montana Sapphire

    $1,100.00

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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
  • 0.91-Carat Yellow Montana Sapphire (Heated)

    0.91-Carat Yellow Montana Sapphire (Heated)

    $600.00

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

    0.91-Carat Medium Blue Montana Sapphire (Heated)

    $700.00

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

    0.91-Carat Rich Sky Blue Montana Sapphire (Heated)

    $900.00

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    Add to cartDone
  • A faceted, rectangular 0.91-carat Fancy Tanzanite gemstone displayed on a textured gray surface labeled "Earth's Treasury.

    0.91-Carat Unheated Tanzanite (Zoisite)

    $900.00

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  • A blue Montana sapphire in a classic diamond round brilliant design

    0.91-Carat Blue Montana Sapphire (Heated)

    $910.00

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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.