Eureka

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  • 1.02-Carat Near Colorless Montana Sapphire

    1.02-Carat Near Colorless Montana Sapphire

    $950.00

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  • 0.70-Carat Colorless Montana Sapphire

    0.70-Carat Colorless Montana Sapphire

    $750.00

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  • A multifaceted, rectangular, 1.12-carat rich teal Montana sapphire (heated) is displayed against a textured, light background. The text "EARTH'S TREASURY" appears beneath the gemstone in black.

    1.12-Carat Rich Teal Montana Sapphire (Heated)

    $1,400.00

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  • A 1.02-carat rich Sky Blue Montana Sapphire (heated), faceted in a rectangular shape with a starburst pattern, is displayed on a textured surface above the Earth’s Treasury logo.

    1.02-Carat Rich Sky Blue Montana Sapphire (Heated)

    $1,950.00

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  • 1.40-Carat Peacock Blue Montana Sapphire (Heated)

    1.40-Carat Peacock Blue Montana Sapphire (Heated)

    $2,600.00

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  • A radiant-cut Sky Blue Montana Sapphire (0.87 carats, heated) with intricate facets reflecting light, placed on a textured beige surface. The bottom of the image displays the text "EARTH'S TREASURY" alongside a hexagonal logo.

    0.87-Carat Sky Blue Montana Sapphire (Heated)

    $800.00

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  • 0.73-Carat Near Colorless Montana Sapphire

    0.73-Carat Near Colorless Montana Sapphire

    $750.00

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  • 1.92-Carat Greenish Yellow Australian Sapphire (Heated)

    1.92-Carat Greenish Yellow Australian Sapphire (Heated)

    $2,900.00

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  • 1.40-Carat Blue-Aqua Bicolored Montana Sapphire (Heated)

    1.40-Carat Blue-Aqua Bicolored Montana Sapphire (Heated)

    $1,700.00

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  • The rectangular, faceted 0.91-carat Pale Aqua Montana Sapphire (MS7192) is shown on a textured light gray surface with "EARTH'S TREASURY" and a logo displayed below.

    0.91-Carat Pale Aqua Montana Sapphire (Heated)

    $800.00

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  • 4.76-Carat Deep Blue-Green Montana Sapphire (Heated)

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

    $14,300.00

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  • A gray Montana sapphire in our "Eureka" rectangle design

    0.82-Carat Gray Montana Sapphire

    $700.00

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  • 5.67-Carat Mint Green Montana Sapphire

    5.68-Carat Mint Green Montana Sapphire

    $25,500.00

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  • 1.14-Carat Colorless Montana Sapphire

    1.14-Carat Colorless Montana Sapphire

    $950.00

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  • 1.35-Carat Pale Pink-Lavender Bicolored Umba Sapphire

    1.35-Carat Pale Pink-Lavender Bicolored Umba Sapphire

    $900.00

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  • 2.09-Carat Deep Blue-Green Montana Sapphire (Heated)

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

    $3,100.00

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  • The 1.23-Carat Teal Blue Montana Sapphire, with brilliant facets, is shown on a textured metallic background with "EARTH'S TREASURY" displayed beneath.

    1.23-Carat Teal Blue Montana Sapphire

    $2,150.00

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  • 1.64-Carat Deep Blue Montana Sapphire

    1.64-Carat Deep Blue Montana Sapphire

    $4,900.00

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  • 6.88-Carat Rich Violet-Blue Tanzanite

    6.88-Carat Rich Violet-Blue Tanzanite

    $4,300.00

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  • 6.87-Carat Deep Blue Tanzanite

    6.87-Carat Deep Blue Tanzanite

    $4,600.00

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  • The 1.52-carat pale green grossular garnet, featuring multiple facets, is displayed on a textured gray surface.

    1.52-Carat Pale Green Grossular Garnet

    $750.00

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  • 5.28-Carat Unheated Tanzanite (Zoisite)

    5.28-Carat Unheated Tanzanite (Zoisite)

    $3,500.00

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  • 0.99-Carat Pale Violet-Blue Montana Sapphire (Heated)

    0.99-Carat Pale Violet-Blue Montana Sapphire (Heated)

    $800.00

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  • 1.06-Carat Medium Blue Montana Sapphire (Heated)

    1.06-Carat Medium Blue Montana Sapphire (Heated)

    $1,850.00

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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.