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Showing 25–40 of 40 resultsSorted by latest

  • 0.97-Carat Royal Blue Australian Sapphire (Heated)

    0.97-Carat Royal Blue Australian Sapphire (Heated)

    $1,000.00

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  • A hexagonal blue gemstone, a 1.05-carat Ceylon sapphire (heated), rests on a textured surface. The words "Earth's Treasury" are visible at the bottom of the image.

    1.05-Carat Royal Blue Ceylon Sapphire (Heated)

    $2,100.00

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  • A particolored Montana sapphire in our "Fourth of July" rectangle design

    1.07-Carat Blue-Aqua Bicolored Montana Sapphire (Heated)

    $1,200.00

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  • A particolored Montana sapphire in our "Fourth of July" rectangle design

    1.03-Carat Blue-Aqua Bicolored Montana Sapphire (Heated)

    $1,300.00

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

    0.83-Carat Sky Blue Montana Sapphire (Heated)

    $800.00

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

    0.70-Carat Near Colorless Montana Sapphire

    $700.00

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

    0.72-Carat Colorless Montana Sapphire

    $700.00

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    Add to cartDone
  • A blue-green Australian Sapphire in our "Fourth of July" rectangle design

    0.86-Carat Teal Blue Australian Sapphire (Heated)

    $850.00

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

    0.79-Carat Aqua Blue Montana Sapphire (Heated)

    $800.00

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    Add to cartDone
  • A textured surface showcases a green emerald cut gemstone, with "Earth's Treasury" inscribed below.

    0.54-Carat Rich Green Colombian Emerald (Oiled)

    $200.00

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  • 0.71-Carat Orangey-Yellow Montana Sapphire (Heated)

    0.71-Carat Orangey-Yellow Montana Sapphire (Heated)

    $700.00

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  • 0.67-Carat Medium Blue Montana Sapphire (Heated)

    0.67-Carat Medium Blue Montana Sapphire (Heated)

    $700.00

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

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

    $800.00

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

    0.87-Carat Aqua Blue Montana Sapphire (Heated)

    $950.00

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  • The ET1443 gemstone, featuring a faceted cut, sits on a textured gray surface in a rectangular green form.

    1.18-Carat Greenish Yellow California Tourmaline

    $235.00

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  • 2.93-Carat California Bicolored Tourmaline

    2.93-Carat Bicolored California Tourmaline

    $880.00

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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.