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Showing 25–48 of 68 resultsSorted by latest

  • A 0.84-carat heated Montana Sapphire, round brilliant-cut, displayed on a textured metallic surface with "EARTH'S TREASURY" at the bottom.

    0.84-Carat Medium Blue Montana Sapphire (Heated)

    $800.00

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    Add to cartDone
  • 0.88-Carat Medium Blue Montana Sapphire (Heated)

    0.88-Carat Medium Blue Montana Sapphire (Heated)

    $700.00

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

    1.04-Carat Teal Blue Montana Sapphire (Heated)

    $1,400.00

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    Add to cartDone
  • A blue Montana sapphire in our "Fourth of July" rectangle design

    0.93-Carat Medium Blue Montana Sapphire (Heated)

    $900.00

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    Add to cartDone
  • A blue Montana sapphire in our "Hyperbola" oval design

    0.74-Carat Aqua Blue Montana Sapphire

    $750.00

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    Add to cartDone
  • A white Montana sapphire in our "Serendipity" oval design

    0.72-Carat Colorless Montana Sapphire

    $700.00

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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
  • 0.91-Carat Yellow Montana Sapphire (Heated)

    0.91-Carat Yellow Montana Sapphire (Heated)

    $600.00

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

    0.72-Carat Golden Yellow Montana Sapphire (Heated)

    $700.00

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

    0.73-Carat Aqua Blue Montana Sapphire (Heated)

    $700.00

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    Add to cartDone
  • A 1.03-carat Sky Blue Montana Sapphire (heated) with a cushion cut and starburst pattern rests on a textured gray surface, with the Earth's Treasury logo visible at the bottom.

    1.03-Carat Sky Blue Montana Sapphire (Heated)

    $1,700.00

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    Add to cartDone
  • 1.08-Carat Light Sky Blue Montana Sapphire (Heated)

    1.08-Carat Light Sky Blue Montana Sapphire (Heated)

    $1,600.00

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    Add to cartDone
  • 1.09-Carat Light Sky Blue Montana Sapphire (Heated)

    1.09-Carat Light Sky Blue Montana Sapphire (Heated)

    $1,600.00

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

    0.85-Carat Medium Blue Montana Sapphire (Heated)

    $800.00

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    Add to cartDone
  • A blue Montana sapphire in our "Serendipity" oval design

    0.71-Carat Sky Blue Montana Sapphire (Heated)

    $700.00

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    Add to cartDone
  • 0.74-Carat Deep Peacock Blue Australian Sapphire (Heated)

    0.74-Carat Deep Peacock Blue Australian Sapphire (Heated)

    $750.00

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

    1.02-Carat Teal Blue Montana Sapphire (Heated)

    $1,250.00

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

    1.06-Carat Teal Blue Montana Sapphire (Heated)

    $1,850.00

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    Add to cartDone
  • 1.07-Carat Medium Blue Montana Sapphire (Heated)

    1.07-Carat Medium Blue Montana Sapphire (Heated)

    $1,900.00

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    Add to cartDone
  • 1.08-Carat Robin's Egg Blue Montana Sapphire (Heated)

    1.08-Carat Robin’s Egg Blue Montana Sapphire (Heated)

    $1,350.00

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

    1.01-Carat Teal Blue Montana Sapphire (Heated)

    $1,250.00

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

    0.70-Carat Aqua Blue Montana Sapphire (Heated)

    $700.00

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

    0.59-Carat Teal Blue Montana Sapphire (Heated)

    $600.00

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    Add to cartDone
  • 0.83-Carat Medium Blue Montana Sapphire (Heated)

    0.83-Carat Medium Blue Montana Sapphire (Heated)

    $800.00

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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.