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  • A 1.62-carat rich blue-green-yellow particolored Montana Sapphire (heated) with a square cushion cut rests on a textured gray surface. The "EARTH'S TREASURY" logo is visible at the bottom.

    1.62-Carat Rich Blue-Yellow Particolored Montana Sapphire

    $3,650.00

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  • 1.27-Carat Peacock Blue Montana Sapphire (Heated)

    1.27-Carat Peacock Blue Montana Sapphire (Heated)

    $1,250.00

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    Add to cartDone
  • A faceted, rectangular 0.91-carat Fancy Tanzanite gemstone displayed on a textured gray surface labeled "Earth's Treasury.

    0.91-Carat Unheated Tanzanite (Zoisite)

    $900.00

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    Add to cartDone
  • The 1.56-Carat Peacock Blue Montana Sapphire (Heated), cushion-cut, rests elegantly on a textured gray surface, with the Earth’s Treasury logo and text beneath.

    1.56-Carat Peacock Blue Montana Sapphire (Heated)

    $2,400.00

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    Add to cartDone
  • A 1.27-carat medium blue heated Montana Sapphire, round brilliant-cut, sits on a textured gray surface with "EARTH'S TREASURY" displayed below.

    1.27-Carat Medium Blue Montana Sapphire (Heated)

    $2,200.00

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    Add to cartDone
  • A 1.69-carat peacock blue Montana sapphire (heated), square-cut, is displayed on a textured surface with "Earth's Treasury" at the bottom.

    1.69-Carat Peacock Blue Montana Sapphire (Heated)

    $4,200.00

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    Add to cartDone
  • A 1.31-carat medium blue heated Montana Sapphire, cut in a round brilliant style, rests on a textured gray surface with "Earth's Treasury" at the bottom.

    1.31-Carat Medium Blue Montana Sapphire (Heated)

    $1,900.00

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

    1.06-Carat Medium Blue Montana Sapphire (Heated)

    $1,850.00

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

    1.15-Carat Blue-Green Montana Sapphire (Heated)

    $1,400.00

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    Add to cartDone
  • 1.07-Carat Light Blue Umba Sapphire

    1.07-Carat Light Blue Umba Sapphire

    $800.00

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    Add to cartDone
  • A 1.47-carat medium blue heated Montana Sapphire is displayed on a textured gray surface featuring the "Earth's Treasury" logo at the bottom.

    1.47-Carat Medium Blue Montana Sapphire (Heated)

    $2,950.00

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    Add to cartDone
  • A 1.53-carat heated Aqua Blue Montana Sapphire with a cushion cut and intricate facets rests on a textured gray surface. "EARTH'S TREASURY" and its logo appear at the bottom of the image.

    1.53-Carat Aqua Blue Montana Sapphire (Heated)

    $2,800.00

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    Add to cartDone
  • 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
  • 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
  • 1.32-carat medium blue heated Montana sapphire with intricate facets shown on a textured gray surface; "Earth's Treasury" logo and text visible at the bottom.

    1.32-Carat Medium Blue Montana Sapphire (Heated)

    $2,600.00

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

    1.37-Carat Teal Blue Montana Sapphire (Heated)

    $1,100.00

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    Add to cartDone
  • A 1.49-carat deep blue-green Montana Sapphire (heated) with a cushion cut is displayed on a textured gray surface, featuring the text "Earth's Treasury" beneath it.

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

    $2,900.00

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    Add to cartDone
  • 1.27-carat rich teal blue Montana sapphire (heated), round brilliant-cut, displayed on a textured gray surface with "Earth's Treasury" logo and text at the bottom.

    1.27-Carat Medium Blue Montana Sapphire (Heated)

    $2,200.00

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

    1.35-Carat Robin’s Egg 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

    1.33-Carat Teal Blue Montana Sapphire (Heated)

    $1,900.00

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

    1.05-Carat Violetish Blue Montana Sapphire (Heated)

    $1,500.00

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    Add to cartDone
  • 1.05-Carat Aqua Blue Montana Sapphire

    1.05-Carat Aqua Blue Montana Sapphire

    $1,800.00

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    Add to cartDone
  • 1.26-Carat Bright Yellow Montana Sapphire

    1.26-Carat Bright Yellow Montana Sapphire

    $1,260.00

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    Add to cartDone
  • 1.05-Carat Light Gray-Blue Montana Sapphire

    1.05-Carat Light Gray-Blue Montana Sapphire

    $800.00

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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.