Blue-Green, Deep

Showing 145–168 of 174 resultsSorted by latest

  • 4.88-Carat Rich Blue-Green Montana Sapphire (Heated)

    4.88-Carat Rich Blue-Green Montana Sapphire (Heated)

    $16,950.00

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  • 2.09-Carat Deep Blue-Green Montana Sapphire (Heated)

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

    $3,100.00

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  • A 1.26-carat royal blue heated Montana sapphire gemstone rests on a textured gray surface with "EARTH'S TREASURY" displayed at the bottom.

    1.26-Carat Deep Peacock Blue Montana Sapphire (Heated)

    $2,250.00

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  • 1.37-Carat Near Black Australian Sapphire (Heated)

    1.37-Carat Near Black Australian Sapphire (Heated)

    $800.00

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  • 1.57-Carat Deep Blue-Green Australian Sapphire (Heated)

    1.57-Carat Deep Blue-Green Australian Sapphire (Heated)

    $1,800.00

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  • 1.12-Carat Dark Blue-Green Australian Sapphire (Heated)

    1.12-Carat Dark Blue-Green Australian Sapphire (Heated)

    $1,000.00

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  • 1.91-Carat Midnight Blue-Green Particolored Australian Sapphire (Heated)

    1.91-Carat Midnight Blue-Green Particolored Australian Sapphire (Heated)

    $2,600.00

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  • 1.43-Carat Midnight Blue-Green Australian Sapphire (Heated)

    1.43-Carat Midnight Blue-Green Australian Sapphire (Heated)

    $1,400.00

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  • 1.50-Carat Deep Peacock Blue Australian Sapphire (Heated)

    1.50-Carat Deep Peacock Blue Australian Sapphire (Heated)

    $1,900.00

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  • 3.14-Carat Near Black Australian Sapphire (Heated)

    3.14-Carat Near Black Australian Sapphire (Heated)

    $2,400.00

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  • 1.13-Carat Deep Blue-Green Kenyan Sapphire

    1.13-Carat Deep Blue-Green Kenyan Sapphire

    $1,250.00

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  • A rectangular 26.68-carat rich blue-green tourmaline with multiple facets rests on a textured, gray surface. The text "Earth's Treasury" is visible beneath the gemstone.

    26.68-Carat Rich Blue-Green Tourmaline

    $12,000.00

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  • A blue Montana sapphire in our "Stella" square design

    1.91-Carat Deep Peacock Blue Montana Sapphire (Heated)

    $5,250.00

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

    2.09-Carat Dark Blue-Green Montana Sapphire (Heated)

    $4,200.00

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  • 1.15-Carat Blue-Green Montana Sapphire (Heated)

    1.15-Carat Blue-Green Montana Sapphire (Heated)

    $1,400.00

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  • 2.40-Carat Deep Blue-Green Montana Sapphire (Heated)

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

    $4,800.00

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

    1.07-Carat Deep Peacock Blue Montana Sapphire (Heated)

    $1,700.00

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  • A 1.52-carat deep blue-green Montana Sapphire (heated), faceted in a pear shape, rests on a textured gray surface with the Earth’s Treasury logo and text visible below.

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

    $2,500.00

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  • 1.50-Carat Deep Blue Green Montana Sapphire (Heated)

    1.50-Carat Deep Blue Green Montana Sapphire (Heated)

    $1,500.00

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

    1.19-Carat Peacock Blue Montana Sapphire (Heated)

    $1,900.00

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  • A 2.23-carat Deep Peacock Blue Montana Sapphire (Heated) in cushion cut is shown on a textured gray surface with "EARTH'S TREASURY" text and logo beneath.

    2.23-Carat Deep Peacock Blue Montana Sapphire (Heated)

    $5,600.00

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  • A 1.54-Carat Midnight Blue-Green Montana Sapphire (Heated) with a geometric cut rests on a textured gray surface, with "Earth's Treasury" below the gem.

    1.54-Carat Midnight Blue-Green Montana Sapphire (Heated)

    $2,300.00

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  • 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

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.