Blue-Green, Aqua

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  • 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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  • 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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  • A particolored Montana sapphire in a classic emerald cut

    0.63-Carat Aqua Blue Montana Sapphire (Heated)

    $625.00

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  • A particolored Montana sapphire in a classic emerald cut

    0.70 Aqua-Blue Bicolored Montana Sapphire (Heated)

    $850.00

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  • A blue-green Montana sapphire in a classic emerald cut

    0.87-Carat Aqua Blue Montana Sapphire (Heated)

    $950.00

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  • 1.11-Carat Aqua Blue Montana Sapphire (Heated)

    1.11-Carat Aqua Blue Montana Sapphire (Heated)

    $1,600.00

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  • A 0.90-carat heated Montana sapphire, square-cut and blue, displayed on a textured gray surface with "EARTH'S TREASURY" at the bottom.

    0.90-Carat Aqua Blue Montana Sapphire (Heated)

    $1,100.00

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  • A blue-green Montana sapphire in an Old European-style cut (OEC)

    0.93-Carat Aqua Blue Montana Sapphire (Heated)

    $900.00

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

    0.81-Carat Opalescent Pale Aqua Montana Sapphire

    $675.00

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

    0.87-Carat Aqua Blue Montana Sapphire

    $850.00

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

    1.06-Carat Aqua Blue Montana Sapphire (Heated)

    $1,400.00

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  • A 1.63-carat heated aqua blue Montana Sapphire with a cushion cut sits on a textured gray surface, showing light and dark blue facets. The text "Earth's Treasury" appears at the bottom.

    1.63-Carat Aqua Blue Montana Sapphire (Heated)

    $2,400.00

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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 blue Montana sapphire in our "Helena" oval design

    1.13-Carat Aqua Blue Montana Sapphire

    $1,100.00

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  • 0.62-Carat Light Aqua Blue Montana Sapphire

    0.62-Carat Light Aqua Blue Montana Sapphire

    $650.00

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  • 0.82-Carat Pale Aqua Blue Montana Sapphire

    0.82-Carat Pale Aqua Blue Montana Sapphire

    $850.00

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  • 0.85-Carat Light Aqua Montana Sapphire

    0.85-Carat Light Aqua Montana Sapphire

    $800.00

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  • 0.88-Carat Pale Aqua-Gray Montana Sapphire

    0.88-Carat Pale Aqua-Gray Montana Sapphire

    $850.00

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  • 0.83-Carat Aqua Blue Montana Sapphire

    0.83-Carat Aqua Blue Montana Sapphire

    $700.00

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  • 1.21-Carat Aqua Blue Montana Sapphire

    1.21-Carat Aqua Blue Montana Sapphire

    $1,200.00

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  • 1.02-Carat Gray-Aqua Montana Sapphire

    1.02-Carat Gray-Aqua Montana Sapphire

    $800.00

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  • 1.14-Carat Light Aqua Blue Montana Sapphire

    1.14-Carat Light Aqua Blue Montana Sapphire

    $1,400.00

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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.