Umba, Tanzania

Showing 73–96 of 112 resultsSorted by latest

  • 1.39-Carat Magenta Pink Umba Sapphire

    1.39-Carat Magenta Pink Umba Sapphire

    $2,100.00

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  • A 2.31-carat Violet Umba Sapphire is showcased on a textured surface with the text "Earth's Treasury" below it.

    2.31-Carat Violet Umba Sapphire

    $1,600.00

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  • 0.92-Carat Aqua Blue Umba Sapphire

    0.92-Carat Aqua Blue Umba Sapphire

    $700.00

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  • 1.04-Carat Violet-Blue Umba Sapphire

    1.04-Carat Violet-Blue Umba Sapphire

    $800.00

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  • 1.24-Carat Deep Golden Yellow Umba Sapphire

    1.24-Carat Deep Golden Yellow Umba Sapphire

    $800.00

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  • 1.27-Carat Violet-Blue Umba Sapphire

    1.27-Carat Violet-Blue Umba Sapphire

    $800.00

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  • 1.28-Carat Sky Blue Umba Sapphire

    1.28-Carat Sky Blue Umba Sapphire

    $1,200.00

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  • 1.35-Carat Violet-Blue Umba Sapphire

    1.35-Carat Violet-Blue Umba Sapphire

    $800.00

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  • 1.39-Carat Bluish Gray Umba Sapphire

    1.39-Carat Bluish Gray Umba Sapphire

    $800.00

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  • 1.41-Carat Violet-Blue Umba Sapphire

    1.41-Carat Violet-Blue Umba Sapphire

    $1,000.00

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  • 1.54-Carat Pale Violet Umba Sapphire

    1.54-Carat Pale Violet Umba Sapphire

    $1,500.00

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  • 1.58-Carat Dusky Magenta Pink Umba Sapphire

    1.58-Carat Dusky Magenta Pink Umba Sapphire

    $1,400.00

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  • 1.60-Carat Hazy Grayish Purple Umba Sapphire

    1.60-Carat Hazy Grayish Purple Umba Sapphire

    $950.00

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  • 1.65-Carat Golden Yellow Umba Sapphire

    1.65-Carat Golden Yellow Umba Sapphire

    $800.00

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  • 1.74-Carat Medium Blue Umba Sapphire

    1.74-Carat Medium Blue Umba Sapphire

    $1,200.00

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  • 1.75-Carat Blue-Green Umba Sapphire

    1.75-Carat Blue-Green Umba Sapphire

    $1,750.00

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  • 1.78-Carat Gray-Blue Umba Sapphire

    1.78-Carat Gray-Blue Umba Sapphire

    $1,400.00

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  • 1.78-Carat Bluish Violet Umba Sapphire

    1.78-Carat Bluish Violet Umba Sapphire

    $1,400.00

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  • 1.38-Carat Rich Sky Blue Umba Sapphire

    1.38-Carat Rich Sky Blue Umba Sapphire

    $1,700.00

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  • 1.74-Carat Violet-Blue Umba Sapphire

    1.74-Carat Violet-Blue Umba Sapphire

    $1,400.00

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  • 1.24-Carat Pale Blue Umba Sapphire

    1.24-Carat Pale Blue Umba Sapphire

    $1,250.00

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  • 1.31-Carat Pale Gray Umba Sapphire

    1.31-Carat Pale Gray Umba Sapphire

    $1,300.00

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  • A 2.28-carat violet-blue Umba sapphire with visible inclusions rests on a textured, silver-gray surface.

    2.28-Carat Violet-Blue Umba Sapphire

    $1,800.00

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  • A faceted 2.34-carat gemstone that shifts from pale gray-lavender to pink-purple rests on a textured metallic surface, with the text "Earth's Treasury" inscribed below it.

    2.34-Carat Pale Gray-Lavender to Pink-Purple Color Change Umba Sapphire

    $4,300.00

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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.