Blue-Green

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  • A 1.29-carat heated aqua blue Montana Sapphire, cut in a round brilliant style, sits on a textured metallic surface with the text "EARTH'S TREASURY" below.

    1.29-Carat Aqua Blue Montana Sapphire (Heated)

    $1,950.00

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

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

    $14,300.00

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

    0.84-Carat Aqua-Yellow Particolored Montana Sapphire

    $800.00

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  • A blue Montana sapphire in our "Hyperbola" oval design

    0.74-Carat Aqua Blue Montana Sapphire

    $750.00

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  • A blue-green Montana sapphire in our "Helena" oval design

    0.79-Carat Light Aqua Blue Montana Sapphire

    $950.00

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  • A blue-green Montana sapphire in our "Serendipity" oval design

    0.96-Carat Teal Blue Montana Sapphire

    $1,200.00

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    Add to cartDone
  • ET1395's square-cut aquamarine gemstone, featuring intricate facets, is placed on a textured surface.

    2.36-Carat Aqua Blue Tourmaline

    $600.00

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  • A particolored Australian Sapphire in our "Stella" square cushion design

    1.51-Carat Teal-Green Particolored Australian Sapphire (Heated)

    $2,550.00

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    Add to cartDone
  • A blue Australian Sapphire in a classic diamond round brilliant design

    1.18-Carat Midnight Blue Australian Sapphire (Heated)

    $900.00

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    Add to cartDone
  • A blue-green Australian Sapphire in our "Fourth of July" rectangle design

    0.86-Carat Teal Blue Australian Sapphire (Heated)

    $850.00

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    Add to cartDone
  • A blue Australian Sapphire in our "Serendipity" oval design

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

    $800.00

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    Add to cartDone
  • 1.19-Carat Pale Aqua Blue Montana Sapphire (Heated)

    1.19-Carat Pale Aqua Blue Montana Sapphire (Heated)

    $1,400.00

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    Add to cartDone
  • A 1.30-Carat Peacock Blue Montana Sapphire (Heated), round brilliant cut, sits on a patterned metallic surface with "EARTH'S TREASURY" text below.

    1.30-Carat Peacock Blue Montana Sapphire (Heated)

    $2,250.00

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    Add to cartDone
  • 1.13-Carat Peacock Blue Montana Sapphire (Heated)

    1.13-Carat Peacock Blue Montana Sapphire (Heated)

    $1,100.00

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    Add to cartDone
  • 1.17-Carat Peacock Blue Montana Sapphire (Heated)

    1.17-Carat Peacock Blue Montana Sapphire (Heated)

    $1,200.00

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    Add to cartDone
  • 1.01-Carat Light Aqua Blue Montana Sapphire (Heated)

    1.01-Carat Light Aqua Blue Montana Sapphire (Heated)

    $1,500.00

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    Add to cartDone
  • A 1.22-carat Teal Blue Montana Sapphire (Heated), cushion-cut, is shown on a textured gray surface with the "EARTH'S TREASURY" text and a geometric logo beneath it.

    1.22-Carat Teal Blue Montana Sapphire (Heated)

    $1,950.00

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    Add to cartDone
  • A 1.36-carat heated Peacock Blue Montana Sapphire is shown cushion-cut on a textured gray surface, with "EARTH'S TREASURY" and its logo featured at the bottom.

    1.36-Carat Peacock Blue Montana Sapphire (Heated)

    $2,500.00

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    Add to cartDone
  • A 1.44-Carat Deep Peacock Blue Montana Sapphire (Heated), cushion-cut, rests on a textured gray surface with the "Earth's Treasury" logo and text below.

    1.44-Carat Deep Peacock Blue Montana Sapphire (Heated)

    $1,950.00

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    Add to cartDone
  • 0.93-Carat Pale Aqua Blue Montana Sapphire (Heated)

    0.93-Carat Pale Aqua Blue Montana Sapphire (Heated)

    $950.00

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    Add to cartDone
  • 1.23-Carat Teal Blue Montana Sapphire (Heated)

    1.23-Carat Teal Blue Montana Sapphire (Heated)

    $1,900.00

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    Add to cartDone
  • 1.42-Carat Aqua Blue Montana Sapphire (Heated)

    1.42-Carat Aqua Blue Montana Sapphire (Heated)

    $1,700.00

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    Add to cartDone
  • 1.23-Carat Peacock Blue Montana Sapphire (Heated)

    1.23-Carat Peacock Blue Montana Sapphire (Heated)

    $1,200.00

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    Add to cartDone
  • 1.00-Carat Teal Blue Montana Sapphire (Heated)

    1.00-Carat Teal Blue Montana Sapphire (Heated)

    $1,250.00

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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.