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Showing 25–42 of 42 resultsSorted by latest

  • 0.68-Carat Near Colorless Montana Sapphire

    0.68-Carat Near Colorless Montana Sapphire

    $700.00

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  • A radiant-cut Sky Blue Montana Sapphire (0.87 carats, heated) with intricate facets reflecting light, placed on a textured beige surface. The bottom of the image displays the text "EARTH'S TREASURY" alongside a hexagonal logo.

    0.87-Carat Sky Blue Montana Sapphire (Heated)

    $800.00

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    Add to cartDone
  • A faceted 0.88-carat teal blue Australian sapphire rests on a textured gray surface. The gem catches the light, displaying intricate cuts and reflecting shades of blue and green. "Earth's Treasury" is written below the gem.

    0.88-Carat Teal Blue Australian Sapphire (Heated)

    $850.00

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    Add to cartDone
  • A gray Montana sapphire in our "Eureka" rectangle design

    0.82-Carat Gray Montana Sapphire

    $700.00

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  • 0.87-Carat Yellow Montana Sapphire (Heated)

    0.87-Carat Yellow Montana Sapphire (Heated)

    $700.00

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    Add to cartDone
  • A khaki green gemstone weighing 2.91 carats, cut in a rectangular shape with multiple facets, rests on a gray, textured background. The base of the image features the text "EARTH'S TREASURY" accompanied by a small hexagonal logo.

    0.83-Carat Midnight Blue Australian Sapphire (Heated)

    $800.00

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    Add to cartDone
  • A particolored Montana sapphire in our "Testudo" oval design

    0.71-Carat Yellow-Gold Particolored Montana Sapphire (Heated)

    $600.00

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

    0.70-Carat Aqua Blue Montana Sapphire (Heated)

    $700.00

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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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  • A cushion-cut pale kiwi-green gemstone, weighing 0.47 carats, resting on a textured gray surface with the "Earth's Treasury" logo at the bottom.

    0.47-Carat Pale Kiwi Green Grossular Garnet

    $150.00

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  • 0.61-Carat Light Pink Montana Sapphire

    0.61-Carat Light Pink Montana Sapphire

    $600.00

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

    0.81-Carat Deep Blue Montana Sapphire (Heated)

    $900.00

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    Add to cartDone
  • 0.66-Carat Light Yellow Montana Sapphire

    0.66-Carat Light Yellow Montana Sapphire

    $600.00

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    Add to cartDone
  • A blue-green Montana sapphire in a classic emerald cut

    0.85-Carat Teal Blue Montana Sapphire (Heated)

    $850.00

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    Add to cartDone
  • A green Montana sapphire in a classic emerald cut

    0.78-Carat Yellow-Green Montana Sapphire (Heated)

    $600.00

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    Add to cartDone
  • A blue-green Montana sapphire in a classic emerald cut

    0.82-Carat Teal Blue Montana Sapphire (Heated)

    $850.00

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    Add to cartDone
  • A blue Montana sapphire in a custom oval desing

    0.64-Carat Bluish Violet Montana Sapphire

    $650.00

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    Add to cartDone
  • 0.54-Carat Lemon Yellow Montana Sapphire

    0.54-Carat Lemon Yellow Montana Sapphire

    $550.00

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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.