Classic Diamond Round Brilliant

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  • A 0.99-carat Montana sapphire with blue and yellow hues is shown on a textured gray surface, with the Earth’s Treasury logo at the bottom.

    0.99-Carat Aqua Blue Montana Sapphire

    $1,450.00

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  • A 1.23-carat burnt orange-blue particolored Montana sapphire (heated), round and faceted, displaying vivid orange and brown hues, is set on a textured metallic surface with “EARTH’S TREASURY” branding at the bottom of the image.

    1.23-Carat Burnt Orange-Blue Particolored Montana Sapphire (Heated)

    $1,650.00

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  • 1.78-carat Sky Blue-Orange Particolored Montana Sapphire (Heated) in a round faceted cut, showcasing a vibrant mix of yellow, brown, and blue hues, displayed on a textured surface with the Earth’s Treasury logo visible below.

    1.78-Carat Sky Blue-Brownish Orange Particolored Montana Sapphire (Heated)

    $2,900.00

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  • A 1.81-carat teal blue-golden yellow particolored Montana sapphire, round and faceted, sits on a textured surface. “Earth’s Treasury” is written at the bottom of the image.

    1.81-Carat Teal Blue-Olive Green Particolored Montana Sapphire (Heated)

    $3,900.00

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  • A round, faceted 1.21-carat golden yellow-orange particolored Montana sapphire is displayed on a metallic textured surface with the words “Earth’s Treasury” printed below.

    1.21-Carat Golden Yellow-Orange Particolored Montana Sapphire (Heated)

    $1,700.00

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    Add to cartDone
  • 1.54-carat Vivid Orange-Colorless Particolored Montana Sapphire, round-cut, displayed on a textured surface with “Earth’s Treasury” written beneath.

    1.54-Carat Vivid Orange-Colorless Particolored Montana Sapphire (Heated)

    $3,400.00

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    Add to cartDone
  • A 1.06-carat blue-yellow particolored Montana sapphire (heated), cut in a round shape, rests on a textured surface, with “Earth’s Treasury” and a geometric logo displayed below it.

    1.06-Carat Blue-Yellow Particolored Montana Sapphire (Heated)

    $800.00

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    Add to cartDone
  • A round, faceted 1.25-carat opalescent Montana sapphire (heated) with green and yellow hues rests on a textured, light-colored surface. The “EARTH’S TREASURY” logo appears at the bottom of the image.

    1.25-Carat Opalescent Light Aqua-Yellow Particolored Montana Sapphire (Heated)

    $1,250.00

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  • A 1.29-carat denim blue-purple particolored Montana sapphire (heated), with faceted cuts, is placed on a textured light surface, with the words “EARTH’S TREASURY” displayed below the stone.

    1.29-Carat Denim Blue-Purple Particolored Montana Sapphire (Heated)

    $1,300.00

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  • A 1.75-carat Montana sapphire (heated), cut in a round brilliant style and showing blue-green and purple hues, displayed on a textured light surface; “EARTH’S TREASURY” text and logo at the bottom.

    1.75-Carat Blue-Purple-Green Particolored Montana Sapphire (Heated)

    $3,950.00

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    Add to cartDone
  • 1.61-carat sky blue-orange particolored Montana sapphire with round faceting and vibrant blue and yellow color zoning, displayed on a textured surface with the “Earth’s Treasury” branding below.

    1.61-Carat Sky Blue-Orange Particolored Montana Sapphire (Heated)

    $2,150.00

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    Add to cartDone
  • A 1.94-carat orange-pale blue particolored Montana sapphire (heated), cut in a round shape, rests on a textured surface with the text “EARTH’S TREASURY” displayed below the stone.

    1.94-Carat Orange-Pale Blue Particolored Montana Sapphire (Heated)

    $2,200.00

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    Add to cartDone
  • 1.53-carat colorless-yellow particolored Montana sapphire (heated) in a round brilliant cut, featuring yellow and blue hues, displayed on a textured metallic surface with the “Earth’s Treasury” logo and text at the bottom.

    1.53-Carat Colorless-Yellow Particolored Montana Sapphire (Heated)

    $2,600.00

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    Add to cartDone
  • A round, faceted 1.17-carat light yellow-blue particolored Montana sapphire (heated) is displayed on a textured metallic surface with the “EARTH’S TREASURY” logo at the bottom.

    1.17-Carat Light Yellow-Blue Particolored Montana Sapphire (Heated)

    $1,600.00

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    Add to cartDone
  • 0.97-carat peach-purple particolored Montana sapphire (heated), round faceted, showcased on a textured surface with the “EARTH’S TREASURY” logo at the bottom.

    0.97-Carat Peach Pink-Purple Particolored Montana Sapphire (Heated)

    $1,050.00

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    Add to cartDone
  • A 1.76-carat medium blue-lilac particolored Montana sapphire (heated), expertly cut in a round brilliant shape with striking geometric facets, is displayed on a textured gray surface. The Earth’s Treasury logo appears at the bottom.

    1.76-Carat Medium Blue-Lilac Particolored Montana Sapphire (Heated)

    $3,950.00

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  • A 1.34-carat heated Montana sapphire, round and faceted with pale blue and yellow hues, is displayed on a textured light surface. The text “EARTH’S TREASURY” appears at the bottom of the image.

    1.34-Carat Pale Blue-Yellow Particolored Montana Sapphire (Heated)

    $2,300.00

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    Add to cartDone
  • A 1.55-carat orange and pale blue particolored Montana sapphire (heated) with a round brilliant cut is displayed on a textured surface, featuring the “Earth’s Treasury” logo and text at the bottom.

    1.55-Carat Orange-Pale Blue Particolored Montana Sapphire (Heated)

    $3,100.00

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    Add to cartDone
  • 1.18-carat pink-purple particolored Montana sapphire (heated), round faceted, displayed on a textured surface above the Earth’s Treasury logo.

    1.18-Carat Pink-Purple Particolored Montana Sapphire (Heated)

    $2,100.00

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    Add to cartDone
  • A 1.17-carat yellow Montana sapphire (heated) with a brilliant cut is displayed on a textured gray surface, with the “Earth’s Treasury” logo and text visible at the bottom of the image.

    1.17-Carat Yellow Montana Sapphire (Heated)

    $1,950.00

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    Add to cartDone
  • A round-cut 1.05-carat peachy orange Montana sapphire (heated) is displayed on a metallic surface, with the text “EARTH’S TREASURY” and a hexagonal logo at the bottom.

    1.05-Carat Peachy Orange Montana Sapphire (Heated)

    $1,600.00

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    Add to cartDone
  • A round, faceted 1.07-carat rich orange Montana sapphire (heated) is displayed on a textured gray surface, with the text “EARTH’S TREASURY” and a hexagon logo beneath the stone.

    1.07-Carat Rich Orange Montana Sapphire (Heated)

    $1,600.00

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    Add to cartDone
  • 1.09-carat mint green Montana sapphire (heated) with a faceted cut, displayed on a textured light surface above the text “EARTH’S TREASURY.”.

    1.09-Carat Mint Green Montana Sapphire (Heated)

    $1,650.00

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    Add to cartDone
  • A 1.23-carat spruce green Montana sapphire (heated), round-cut, showcased on a textured surface with the “Earth’s Treasury” text and hexagonal logo below the gemstone.

    1.23-Carat Spruce Green Montana Sappire (Heated)

    $1,650.00

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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.