Rock Creek, Montana

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  • A faceted Montana Sapphire, product MS1762, with visible internal patterns is displayed on a light textured surface. The Earth's Treasury logo appears below the gem.

    2.08-Carat Medium Blue Montana Sapphire (Heated)

    $3,600.00

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  • 1.05-Carat Aqua Blue Montana Sapphire

    1.05-Carat Aqua Blue Montana Sapphire

    $1,800.00

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

    0.84-Carat Pale Aqua-Gray Montana Sapphire

    $840.00

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  • A 1.01-carat light aqua blue Montana sapphire, round-cut and radiant, rests on a textured gray surface with "EARTH'S TREASURY" written below.

    1.01-Carat Light Aqua Blue Montana Sapphire

    $2,000.00

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  • A colorless Montana sapphire in our "Helena" oval design

    1.22-Carat Near Colorless Montana Sapphire

    $1,250.00

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  • 0.70-Carat Purple-Pink Montana Sapphire

    0.70-Carat Purple-Pink Montana Sapphire

    $700.00

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  • A 1.67-carat Light Yellow Montana Sapphire, round and faceted, is shown on a textured gray surface with the "Earth's Treasury" logo below.

    1.67-Carat Light Yellow Montana Sapphire

    $2,500.00

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  • 1.26-Carat Bright Yellow Montana Sapphire

    1.26-Carat Bright Yellow Montana Sapphire

    $1,260.00

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  • A blue-green Montana sapphire in our "Aurora" square cushion design

    2.59-Carat Teal Blue Montana Sapphire (Heated)

    $6,475.00

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

    1.05-Carat Blue-Yellow Parti-Colored Montana Sapphire (Heated)

    $1,300.00

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  • 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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  • A 1.62-carat deep blue heated Montana Sapphire, round and faceted, is shown on a textured gray surface with the "Earth's Treasury" logo and text at the bottom.

    1.62-Carat Deep Blue Montana Sapphire (Heated)

    $2,835.00

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  • A blue Montana sapphire in our "Triptych" trillion design

    1.00-Carat Medium Blue Montana Sapphire (Heated)

    $1,100.00

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  • A 1.36-carat greenish-yellow Montana Sapphire (heated) is shown on a textured surface, radiating brilliance above the Earth’s Treasury logo and name at the bottom.

    1.36-Carat Greenish-Yellow Montana Sapphire (Heated)

    $2,000.00

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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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  • A blue Montana sapphire in a custom oval desing

    0.64-Carat Bluish Violet Montana Sapphire

    $650.00

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  • 1.06-Carat Medium Blue Montana Sapphire

    1.06-Carat Medium Blue Montana Sapphire

    $2,350.00

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  • 1.28-Carat Peacock Blue Montana Sapphire (Heated)

    1.28-Carat Peacock Blue Montana Sapphire (Heated)

    $1,900.00

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  • A 1.45-carat Royal Blue Montana Sapphire (heated) is showcased on a textured gray surface, with the "Earth's Treasury" logo and text at the bottom of the image.

    1.45-Carat Violet-Blue Montana Sapphire (Heated)

    $2,900.00

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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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  • 0.83-Carat Sky Blue Montana Sapphire (Heated)

    0.83-Carat Sky Blue Montana Sapphire (Heated)

    $750.00

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  • A 1.63-carat medium blue Montana Sapphire (heated) with a square cut rests on a textured surface, with "EARTH'S TREASURY" shown below.

    1.63-Carat Medium Blue Montana Sapphire (Heated)

    $3,700.00

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  • 1.13-Carat Medium Blue Montana Sapphire (Heated)

    1.13-Carat Medium Blue Montana Sapphire (Heated)

    $1,695.00

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  • 0.54-Carat Lemon Yellow Montana Sapphire

    0.54-Carat Lemon Yellow Montana Sapphire

    $550.00

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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.