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  • A 0.61-carat marquise ruby (heated) is displayed on a textured gray surface, with the “EARTH’S TREASURY” logo and text at the bottom of the image.

    0.61-Carat Thai Ruby (Heated)

    $750.00

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  • A 0.50-carat faceted ruby in an oval shape is displayed on a textured gray background with the "Earth's Treasury" logo at the bottom.

    0.50-Carat Mozambique Ruby (Heated)

    $750.00

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  • A 0.69-carat Montana Sapphire with a rectangular faceted cut and light, transparent appearance rests on a textured metallic surface; the "Earth's Treasury" logo is displayed at the bottom.

    0.69-Carat Near Colorless Montana Sapphire

    $700.00

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  • A 0.44-carat color-change garnet, round and faceted in dark gray, is shown on a textured light gray surface with "EARTH'S TREASURY" text at the bottom.

    0.44-Carat Steely Blue to Purple Color Change Garnet

    $400.00

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  • A 0.45-carat Tsavorite Garnet, cut in a round brilliant style, is shown on a textured gray surface with the "Earth's Treasury" logo beneath it.

    0.45-Carat Tsavorite Garnet

    $350.00

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  • A 0.68-carat rectangular-cut blue Montana sapphire placed on a textured surface, with the text "Earth's Treasury" beneath it.

    0.68-Carat Sky Blue Montana Sapphire (Heated)

    $680.00

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  • 0.60-Carat Pale Yellow Montana Sapphire (Heated)

    0.60-Carat Pale Yellow Montana Sapphire (Heated)

    $600.00

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

    0.58-Carat Sky Blue Montana Sapphire (Heated)

    $580.00

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

    0.61-Carat Teal Montana Sapphire (Heated)

    $600.00

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

    0.64-Carat Medium Blue Montana Sapphire (Heated)

    $640.00

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

    0.67-Carat Aqua Blue Montana Sapphire (Heated)

    $670.00

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    Add to cartDone
  • The 0.37-Carat Colombian Emerald (Treated), a vibrant green gem from Colombia, is elegantly showcased on a textured gray surface.

    0.37-Carat Bright Green Colombian Emerald (Oiled)

    $125.00

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  • 0.65-Carat Medium Blue Montana Sapphire (Heated)

    0.65-Carat Medium Blue Montana Sapphire (Heated)

    $650.00

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

    0.59-Carat Teal Blue Montana Sapphire (Heated)

    $600.00

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

    0.68-Carat Sky Blue Montana Sapphire (Heated)

    $700.00

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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.