1.89

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  • A 1.89-carat blue-gray Montana sapphire (heated) rests on a textured surface, with the Earth’s Treasury logo displayed at the bottom of the image.

    1.89-Carat Blue-Gray Montana Sapphire (Heated)

    $4,400.00

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  • A faceted, oval-shaped 1.89-carat Montana sapphire with a clear, reflective surface rests on a textured gray background. "Earth's Treasury" appears below the stone.

    1.89-Carat Near-Colorless Montana Sapphire

    $4,900.00

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  • A rectangular, deep blue-green 1.89-carat Montana sapphire (heated) with faceted cuts rests on a textured light surface. The text “EARTH’S TREASURY” is visible at the bottom of the image.

    1.89-Carat Midnight Blue-Green Montana Sapphire (Heated)

    $2,900.00

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  • A 1.89-carat teal Madagascar sapphire, cut in an oval shape, is displayed on a textured surface with the text “EARTH’S TREASURY” and a hexagon logo at the bottom.

    1.89-Carat Teal Madagascar Sapphire (Unheated)

    $3,250.00

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  • A 1.89-carat, oval-cut Colombia emerald (oiled) rests on a textured surface, with "Earth's Treasury" and a geometric logo displayed beneath it.

    1.89-Carat Bright Green Colombian Emerald (Oiled)

    $2,100.00

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  • A round, faceted 1.89-carat Ceylon Sapphire gemstone is displayed on a textured gray surface with the text "Earth’s Treasury" at the bottom.

    1.89-Carat Cornflower Blue Ceylon Sapphire

    $5,400.00

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  • A round, faceted blue 1.89-carat Montana Sapphire (Heated) is displayed on a textured surface, with "Earth's Treasury" written below.

    1.89-Carat Medium Blue Montana Sapphire (Heated)

    $2,950.00

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  • A 1.89-carat round-cut blue-gray spinel shown on a textured light gray surface with the text "Earth's Treasury" below.

    1.89-Carat Sky Blue Spinel

    $2,500.00

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  • 1.89-Carat Sky Blue Ceylon Sapphire

    1.89-Carat Sky Blue Ceylon Sapphire

    $4,500.00

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  • A 1.89-carat Sky Blue Montana Sapphire (Heated) with a starburst pattern rests on a textured gray surface above the text "Earth's Treasury.

    1.89-Carat Sky Blue Montana Sapphire (Heated)

    $2,900.00

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    Add to cartDone
  • A 1.89-carat Medium Blue Montana Sapphire (Heated) rests on a textured gray surface, with "Earth's Treasury" and a hexagon logo displayed beneath it.

    1.89-Carat Medium Blue Montana Sapphire (Heated)

    $2,900.00

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    Add to cartDone
  • A 1.89-carat medium blue heated Montana Sapphire with intricate facets is displayed on a textured surface, with the "EARTH'S TREASURY" logo visible below the gem.

    1.89-Carat Medium Blue Montana Sapphire (Heated)

    $4,200.00

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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.