1.91

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  • 1.91-Carat Violet-Blue to Purple Color-Change Ceylon Sapphire (Heated)

    1.91-Carat Violet-Blue to Purple Color-Change Ceylon Sapphire (Heated)

    $4,100.00

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  • A 1.91-carat square cushion-cut blue Montana sapphire is displayed on a textured gray surface with "Earth's Treasury" below.

    1.91-Carat Teal-Blue Particolored Montana Sapphire

    $6,400.00

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  • A 1.91-carat pastel pyrope garnet, round-cut and faceted, is shown on a textured gray background with "EARTH'S TREASURY" displayed at the bottom.

    1.91-Carat Magenta Purple to Hot Pink Color Change Pastel Pyrope Garnet

    $950.00

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  • A round brilliant-cut 1.91-carat heated Montana sapphire is displayed on a textured gray surface, with the "EARTH'S TREASURY" text and logo at the bottom.

    1.91-Carat Teal Blue Montana Sapphire (Heated)

    $4,800.00

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  • A 1.91-carat Tanga Garnet, cut in a faceted oval shape, is displayed on a textured gray surface with the Earth’s Treasury logo beneath it.

    1.91-Carat Magenta Pink Garnet

    $950.00

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  • A 1.91-carat oval-cut Montana sapphire (heated) is displayed on a textured gray surface with the text "EARTH'S TREASURY" beneath it.

    1.91-Carat Rich Sky Blue Montana Sapphire (Heated)

    $5,250.00

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  • A 1.91-carat heated Montana sapphire with an oval cut is displayed on a textured light gray surface, featuring the text "Earth's Treasury" at the bottom.

    1.91-Carat Rich Blue Montana Sapphire (Heated)

    $4,500.00

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  • A 1.91-carat Australian sapphire, heated and dark blue with geometric facets, rests on a textured light gray surface. The "Earth's Treasury" logo is at the bottom.

    1.91-Carat Near Black Australian Sapphire (Heated)

    $1,150.00

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  • A 1.91-carat heated Montana sapphire, faceted and blue, rests on a textured surface with the "Earth's Treasury" logo beneath it.

    1.91-Carat Peacock Blue Montana Sapphire (Heated)

    $4,100.00

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  • A 1.91-carat cushion-cut violet Ceylon sapphire displayed on a textured surface.

    1.91-Carat Violet Ceylon Sapphire

    $3,900.00

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  • 1.91-Carat Midnight Blue-Green Particolored Australian Sapphire (Heated)

    1.91-Carat Midnight Blue-Green Particolored Australian Sapphire (Heated)

    $2,600.00

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  • A blue Montana sapphire in our "Stella" square design

    1.91-Carat Deep Peacock Blue Montana Sapphire (Heated)

    $5,250.00

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    Add to cartDone
  • A 1.91-carat rich blue Montana Sapphire (heated), cut in a faceted oval shape, rests on a textured gray surface with the "Earth's Treasury" logo below.

    1.91-Carat Rich Blue Montana Sapphire (Heated)

    $3,800.00

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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.