Helena

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  • 2.70-Carat Light Yellow Montana Sapphire

    2.70-Carat Light Yellow Montana Sapphire

    $7,800.00

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  • 1.90-Carat Pale Gray Montana Sapphire

    1.90-Carat Pale Gray Montana Sapphire

    $5,400.00

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  • 4.13-Carat Deep Peacock Blue Montana Sapphire (Heated)

    4.13-Carat Deep Peacock Blue Montana Sapphire (Heated)

    $20,500.00

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  • 1.94-Carat Rich Blue Montana Sapphire (Heated)

    1.94-Carat Rich Blue Montana Sapphire (Heated)

    $5,350.00

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    Add to cartDone
  • A 1.75-carat near colorless Montana sapphire with a brilliant cut is displayed against a light grey textured background. The gemstone's intricate facets reflect light, creating a sparkling effect. Below the gemstone, the text "EARTH'S TREASURY" appears in black, along with a small geometric icon.

    1.75-Carat Near Colorless Montana Sapphire (Heated)

    $2,500.00

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  • 1.09-Carat Colorless Montana Sapphire (Heated)

    1.09-Carat Colorless Montana Sapphire (Heated)

    $1,600.00

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    Add to cartDone
  • A small, faceted, deep green gemstone rests on a lightly textured gray surface. The gem has numerous facets, reflecting light to show off its intricate cut. The words “Earth’s Treasury” appear at the bottom of the image.

    1.02-Carat Deep Peacock Blue Australian Sapphire (Heated)

    $950.00

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    Add to cartDone
  • A color-change Montana sapphire in our "Helena" oval design

    0.80-Carat Violet-Blue Montana Sapphire (Heated)

    $800.00

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    Add to cartDone
  • A color-change Montana sapphire in our "Helena" oval design

    1.18-Carat Violet-Blue Montana Sapphire (Heated)

    $2,100.00

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

    0.87-Carat Medium Blue Montana Sapphire

    $1,050.00

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

    1.16-Carat Rich Peacock Blue Montana Sapphire (Heated)

    $1,750.00

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    Add to cartDone
  • 0.87-Carat Pale Gray-Blue Montana Sapphire (Heated)

    0.87-Carat Pale Gray-Blue Montana Sapphire (Heated)

    $800.00

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  • A 1.37-carat sky-pale blue particolored Montana Sapphire (heated), cut in a round brilliant style, rests on a textured gray surface with the "Earth's Treasury" logo and text below.

    1.37-Carat Sky-Pale Blue Particolored Montana Sapphire (Heated)

    $2,100.00

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

    0.86-Carat Medium Blue Montana Sapphire (Heated)

    $800.00

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    Add to cartDone
  • A 1.74-carat Hazy Deep Blue-Green Montana Sapphire (Heated) rests on a textured metallic surface with the "Earth's Treasury" logo and text below.

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

    $2,600.00

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

    1.35-Carat Peacock Blue Montana Sapphire (Heated)

    $2,350.00

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    Add to cartDone
  • 2.26-Carat Medium Blue Montana Sapphire

    2.26-Carat Medium Blue Montana Sapphire

    $6,650.00

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  • 0.92-Carat Rich Blue Montana Sapphire (Heated)

    0.92-Carat Rich Blue Montana Sapphire (Heated)

    $950.00

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

    1.00-Carat Light Yellow Montana Sapphire (Heated)

    $900.00

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  • 1.23-Carat Teal Blue Montana Sapphire (Heated)

    1.23-Carat Teal Blue Montana Sapphire (Heated)

    $1,800.00

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

    1.25-Carat Light Sky Blue Montana Sapphire (Heated)

    $1,800.00

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    Add to cartDone
  • A round, faceted 1.16-carat pale pink Montana Sapphire rests on a textured metallic surface, with the "Earth's Treasury" logo and text below.

    1.16-Carat Pale Pink Montana Sapphire

    $1,950.00

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    Add to cartDone
  • A 1.27-carat blue-aqua particolored Montana Sapphire with a round, geometric cut is displayed on a textured gray surface, featuring the text "Earth's Treasury" at the bottom.

    1.27-Carat Blue-Aqua Particolored Montana Sapphire

    $2,750.00

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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.