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  • A 1.39-carat medium blue Montana Sapphire (heated), cushion-cut with intricate facets, is displayed on a textured gray surface featuring the text "Earth's Treasury" at the bottom.

    1.39-Carat Teal Blue Montana Sapphire (Heated)

    $2,500.00

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  • A 1.51-carat teal blue Montana sapphire (heated), cushion-cut with intricate facets, is displayed on a textured gray surface with "Earth's Treasury" branding below.

    1.51-Carat Teal Blue Montana Sapphire (Heated)

    $2,950.00

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    Add to cartDone
  • 2.57-Carat Gold-Yellow Particolored Montana Sapphire (Heated)

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

    $6,400.00

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    Add to cartDone
  • The 1.73-Carat Aqua Blue Montana Sapphire (Heated), trillion-cut and faceted, gleams on a textured gray surface with the Earth’s Treasury logo and name below.

    1.73-Carat Aqua Blue Montana Sapphire (Heated)

    $2,900.00

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    Add to cartDone
  • A particolored Montana sapphire in a classic diamond round brilliant design

    1.05-Carat Blue-Yellow Particolored Montana Sapphire (Heated)

    $1,300.00

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    Add to cartDone
  • A blue-green Montana sapphire in a classic diamond round brilliant design

    1.08-Carat Teal Blue Montana Sapphire (Heated)

    $1,600.00

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

    1.16-Carat Aqua Blue Montana Sapphire (Heated)

    $1,750.00

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    Add to cartDone
  • A blue Montana sapphire in our "Helena" oval design

    1.02-Carat Peacock Blue Montana Sapphire (Heated)

    $1,700.00

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    Add to cartDone
  • A bicolored Montana sapphire in our "Helena" oval design

    1.31-Carat Teal Blue Montana Sapphire (Heated)

    $1,600.00

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    Add to cartDone
  • A blue-green Montana sapphire in our "Orion" oval design

    1.72-Carat Peacock Blue Montana Sapphire (Heated)

    $2,900.00

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    Add to cartDone
  • A 2.40-carat Rich Blue Montana Sapphire with cushion cut and star-like facets is displayed on a textured gray surface, with the Earth's Treasury logo at the bottom.

    2.40-Carat Rich Blue Montana Sapphire

    $7,200.00

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

    2.48-Carat Deep Blue-Green Montana Sapphire (Heated)

    $4,800.00

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

    0.89-Carat Teal Blue Montana Sapphire (Heated)

    $900.00

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

    1.11-Carat Teal Blue Montana Sapphire (Heated)

    $1,600.00

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    Add to cartDone
  • A 1.25-carat teal blue Montana sapphire (heated), cut in an octagonal shape, rests on a textured gray surface with the "Earth's Treasury" logo beneath.

    1.25-Carat Teal Blue Montana Sapphire (Heated)

    $2,200.00

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    Add to cartDone
  • A 1.33-carat medium blue heated Montana Sapphire with a hexagonal cut rests on a textured gray surface. "Earth's Treasury" and the logo are shown at the image’s bottom.

    1.33-Carat Medium Blue Montana Sapphire (Heated)

    $2,350.00

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    Add to cartDone
  • ET1635 gemstone resting on a textured gray surface with the "Earth's Treasury" logo.

    1.34-Carat Light Pink Tourmaline

    $470.00

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    Add to cartDone
  • A rectangular pink gemstone with brilliant facets placed on a textured grey surface. Text at the bottom reads "ET1625 Earth's Treasury.

    1.58-Carat Light Pink Tourmaline

    $590.00

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  • An ET1614 gemstone with a faceted pink oval cut resting on a textured metallic surface bears the label "EARTH'S TREASURY.

    2.01-Carat Light Pink Tourmaline

    $650.00

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    Add to cartDone
  • 3.00-Carat Pink Tourmaline

    3.00-Carat Light Pink Tourmaline

    $1,200.00

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    Add to cartDone
  • A blue-green Montana sapphire in a classic diamond round brilliant design

    1.15-Carat Peacock Blue Montana Sapphire (Heated)

    $1,700.00

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    Add to cartDone
  • A 1.47-carat rich blue Montana Sapphire (heated), round and faceted, rests on a textured gray surface with “EARTH'S TREASURY” and a hexagonal logo shown below.

    1.47-Carat Rich Blue Montana Sapphire (Heated)

    $2,500.00

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    Add to cartDone
  • A 1.79-Carat Teal Blue Montana Sapphire (Heated) is displayed on a textured light gray surface with "Earth's Treasury" and a hexagon logo beneath.

    1.79-Carat Teal Blue Montana Sapphire (Heated)

    $2,400.00

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    Add to cartDone
  • A white Montana sapphire in our "Aurora" square cushion design

    1.24-Carat Near Colorless Montana Sapphire

    $1,240.00

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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.