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Showing 121–144 of 148 resultsSorted by latest

  • A 1.09-carat medium blue Montana Sapphire (heated), trillion-cut with intricate facets, rests on a textured gray surface above the text "EARTH'S TREASURY.

    1.09-Carat Medium Blue Montana Sapphire (Heated)

    $1,900.00

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  • 1.18-Carat Violet-Blue Umba Sapphire

    1.18-Carat Violet-Blue Umba Sapphire

    $1,200.00

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    Add to cartDone
  • A 1.20-carat Tsavorite Garnet rests on a textured gray surface, with the label "Earth's Treasury" at the bottom.

    1.20-Carat Tsavorite Garnet

    $820.00

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  • A 1.35-carat teal blue Montana sapphire (heated), cushion-cut and beautifully faceted, rests on a textured light background above the "EARTH'S TREASURY" logo.

    1.35-Carat Teal Blue Montana Sapphire (Heated)

    $2,300.00

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

    1.03-Carat Medium 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

    1.05-Carat Medium Blue Montana Sapphire (Heated)

    $1,500.00

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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 our "Hyperbola" oval design

    0.93-Carat Rich Sky Blue Montana Sapphire (Heated)

    $1,100.00

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    Add to cartDone
  • A blue Montana sapphire in our "Fourth of July" rectangle design

    1.03-Carat Peacock Blue Montana Sapphire (Heated)

    $1,350.00

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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 1.43-carat rich blue heated Montana Sapphire with intricate facets rests on a textured gray surface; "Earth's Treasury" appears below the gemstone.

    1.43-Carat Rich Blue Montana Sapphire (Heated)

    $2,900.00

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

    1.10-Carat Deep Blue Montana Sapphire (Heated)

    $1,500.00

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

    1.12-Carat Teal Blue Montana Sapphire (Heated)

    $1,400.00

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    Add to cartDone
  • A 1.14-carat deep peacock blue Montana sapphire (heated), round brilliant-cut, is displayed on a textured gray surface with "EARTH'S TREASURY" at the bottom.

    1.14-Carat Deep Peacock Blue Montana Sapphire (Heated)

    $1,995.00

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

    1.15-Carat Yellow-Colorless Particolored Montana Sapphire (Heated)

    $1,400.00

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

    1.40-Carat Medium Blue Montana Sapphire (Heated)

    $1,900.00

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

    1.16-Carat Peacock Blue Montana Sapphire (Heated)

    $1,500.00

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

    1.17-Carat Teal Montana Sapphire (Heated)

    $1,900.00

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

    1.24-Carat Sky Blue Montana Sapphire (Heated)

    $1,800.00

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

    1.18-Carat Peacock Blue Montana Sapphire (Heated)

    $1,900.00

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    Add to cartDone
  • A 1.17-carat teal blue Montana Sapphire (heated), round brilliant-cut, stands upright on a textured gray surface with the "Earth's Treasury" logo beneath it.

    1.17-Carat Teal Blue Montana Sapphire (Heated)

    $1,950.00

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

    1.10-Carat Medium Blue Montana Sapphire (Heated)

    $1,100.00

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    Add to cartDone
  • A blue Montana sapphire in our "Triptych" trillion design

    1.00-Carat Medium Blue Montana Sapphire (Heated)

    $1,100.00

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    Add to cartDone
  • A 1.74-carat deep blue-green heated Montana sapphire is shown with intricate square faceting on a textured light surface, featuring the text "EARTH'S TREASURY" at the bottom.

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

    $2,600.00

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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.