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  • A rectangular, faceted blue 0.80-carat Montana sapphire (heated) is displayed on a textured, light surface with "EARTH'S TREASURY" at the bottom.

    0.80-Carat Rich Blue to Purple Color Change Montana Sapphire (Heated)

    $800.00

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  • A 1.19-carat heated Ceylon sapphire with blue-green hues sits on a light, textured surface, featuring the "Earth's Treasury" text at the bottom.

    1.19-Carat Blue-Yellow Particolored Ceylon Sapphire (Heated)

    $2,050.00

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  • 0.83-Carat Aqua Blue Montana Sapphire (Heated)

    0.83-Carat Aqua Blue Montana Sapphire (Heated)

    $830.00

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  • A 2.14-carat Robin's Egg Blue Montana Sapphire (heated) rests on a textured, gray background. The gemstone displays a brilliant mix of light blue hues and intricate facets, capturing light beautifully. The logo "Earth's Treasury" is positioned below the sapphire.

    0.88-Carat Light Aqua Blue Montana Sapphire (Heated)

    $750.00

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  • 0.75-Carat Sky Blue Ceylon Sapphire (Heated)

    0.75-Carat Sky Blue Ceylon Sapphire (Heated)

    $800.00

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    Add to cartDone
  • 0.65-Carat Purplish Pink Montana Sapphire

    0.65-Carat Purplish Pink Montana Sapphire

    $750.00

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    Add to cartDone
  • 0.84-Carat Near Colorless Montana Sapphire (Heated)

    0.84-Carat Near Colorless Montana Sapphire (Heated)

    $800.00

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

    0.84-Carat Sky Blue Montana Sapphire (Heated)

    $750.00

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    Add to cartDone
  • 0.69-Carat Whiskey Orange Umba Sapphire

    0.69-Carat Whiskey Orange Umba Sapphire

    $420.00

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    Add to cartDone
  • 0.84-Carat Yellow Montana Sapphire (Heated)

    0.84-Carat Yellow Montana Sapphire (Heated)

    $700.00

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

    0.85-Carat Light Aqua Montana Sapphire (Heated)

    $650.00

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    Add to cartDone
  • 0.86-Carat Rich Sky Blue Montana Sapphire (Heated)

    0.86-Carat Rich Sky Blue Montana Sapphire (Heated)

    $700.00

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    Add to cartDone
  • 0.67-Carat Pale Blue Montana Sapphire

    0.67-Carat Pale Blue Montana Sapphire

    $675.00

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

    0.85-Carat Teal Blue Montana Sapphire (Heated)

    $850.00

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    Add to cartDone
  • 0.61-Carat Light Pink Montana Sapphire

    0.61-Carat Light Pink Montana Sapphire

    $600.00

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    Add to cartDone
  • The ET1181 gemstone, a faceted light green stone, is showcased on a textured grey surface with the words "Earth's Treasury" at the bottom.

    0.51-Carat Bright Mint Green Kornerupine

    $155.00

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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.