0.90

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  • A 0.90-carat round, faceted ruby rests on a textured gray surface. The "EARTH'S TREASURY" logo is displayed at the bottom.

    0.90-Carat Mozambique Ruby (Heated)

    $1,500.00

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  • A 0.90-carat Ceylon Sapphire, round brilliant-cut and faceted, is displayed upright on a textured gray surface with the "EARTH'S TREASURY" logo and text at the bottom.

    0.90-Carat Colorless Ceylon Sapphire

    $1,300.00

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  • A 0.90-carat rectangular, faceted Montana sapphire (heated) is displayed on a textured gray surface with "Earth's Treasury" at the bottom.

    0.90-Carat Blue-Gray Particolored Montana Sapphire (Heated)

    $1,150.00

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  • A rectangular, blue 0.90-carat heated Montana sapphire with intricate faceting rests on a textured surface. "EARTH'S TREASURY" appears at the bottom.

    0.90-Carat Medium Blue Montana Sapphire (Heated)

    $950.00

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  • 0.90-Carat Purplish Pink Montana Sapphire

    0.90-Carat Purplish Pink Montana Sapphire

    $1,300.00

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  • A round, faceted blue gemstone rests on a textured surface, labeled "0.90-Carat Montana Sapphire (Heated)" at the bottom.

    0.90-Carat Teal Blue Montana Sapphire (Heated)

    $950.00

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  • A 0.90-carat Montana Sapphire, with a pale pink and white hue, set against a textured gray background. It features an intricate cut pattern that enhances its reflective sparkle, with the "Earth's Treasury" logo visible beneath it.

    0.90-Carat Pale Lavender-Orange Particolored Montana Sapphire (Heated)

    $700.00

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  • Displayed on a textured surface, this round, faceted blue gemstone is labeled with the "Earth's Treasury" logo and identified as a 0.90-carat Montana Sapphire (heated).

    0.90-Carat Pale Aqua Blue Montana Sapphire (Heated)

    $700.00

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  • A 0.90-carat Montana Sapphire, heated for enhanced color, sits on a textured surface with the "Earth's Treasury" logo at the bottom.

    0.90-Carat Medium Blue Montana Sapphire (Heated)

    $1,250.00

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  • A 0.90-carat faceted, round sapphire in a rich yellow hue rests on a textured gray surface, with "Earth's Treasury" displayed below.

    0.90-Carat Yellow-Orange Particolored Montana Sapphire (Heated)

    $850.00

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  • 0.90-Carat Sky Blue Montana Sapphire

    0.90-Carat Sky Blue Montana Sapphire

    $1,350.00

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  • An aqua Montana sapphire in our "Stella" square cushion design

    0.90-Carat Aqua Blue Montana Sapphire (Heated)

    $900.00

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

    0.90-Carat Rich Blue-Teal Particolored Montana Sapphire (Heated)

    $900.00

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

    0.90-Carat Peacock Blue Montana Sapphire (Heated)

    $800.00

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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
  • 0.90-Carat Light Blue Montana Sapphire

    0.90-Carat Light Blue Montana Sapphire

    $1,250.00

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  • 0.90-Carat Rich Blue Montana Sapphire (Heated)

    0.90-Carat Rich Blue Montana Sapphire (Heated)

    $1,100.00

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

    0.90-Carat Medium Blue Montana Sapphire (Heated)

    $900.00

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    Add to cartDone
  • A radiant light yellow Montana sapphire, weighing 1.09 carats, is showcased on a textured, geometric-patterned surface. The gemstone features an intricate cut, displaying vibrant hues of yellow. The logo "Earth’s Treasury" is visible at the bottom of the image.

    0.90-Carat Aqua Blue Montana Sapphire

    $1,250.00

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  • 0.90-Carat Aqua Blue Montana Sapphire (Heated)

    0.90-Carat Aqua Blue Montana Sapphire (Heated)

    $900.00

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

    0.90-Carat Medium Blue Montana Sapphire (Heated)

    $1,100.00

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    Add to cartDone
  • A 0.90-carat heated Montana sapphire, square-cut and blue, displayed on a textured gray surface with "EARTH'S TREASURY" at the bottom.

    0.90-Carat Aqua Blue Montana Sapphire (Heated)

    $1,100.00

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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.