Umba, Tanzania

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  • The 2.38-Carat Purple Umba Sapphire, cut in a rectangular faceted shape, rests on a textured surface with "EARTH'S TREASURY" displayed at the bottom.

    2.38-Carat Purple Umba Sapphire

    $3,800.00

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  • 0.79-Carat Pale Gray Umba Sapphire

    0.79-Carat Pale Gray Umba Sapphire

    $600.00

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  • 1.15-Carat Pale Violet Umba Sapphire

    1.15-Carat Pale Violet Umba Sapphire

    $900.00

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  • 1.35-Carat Golden Yellow Umba Sapphire

    1.35-Carat Golden Yellow Umba Sapphire

    $800.00

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  • 0.69-Carat Whiskey Orange Umba Sapphire

    0.69-Carat Whiskey Orange Umba Sapphire

    $420.00

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  • 1.38-Carat Intense Yellow Umba Sapphire

    1.38-Carat Intense Yellow Umba Sapphire

    $1,300.00

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  • 1.41-Carat Rich Raspberry Pink Umba Sapphire

    1.41-Carat Rich Raspberry Pink Umba Sapphire

    $1,400.00

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  • 1.02-Carat Magenta Purple Umba Sapphire

    1.02-Carat Magenta Purple Umba Sapphire

    $1,200.00

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  • 1.07-Carat Light Blue Umba Sapphire

    1.07-Carat Light Blue Umba Sapphire

    $800.00

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  • 1.18-Carat Violet-Blue Umba Sapphire

    1.18-Carat Violet-Blue Umba Sapphire

    $1,200.00

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  • A blue Umba sapphire in a classic diamond round brilliant design

    0.59-Carat Pale Blue Umba Sapphire

    $400.00

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  • A white Umba sapphire in a classic diamond round brilliant design

    0.81-Carat Colorless Umba Sapphire

    $600.00

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  • A blue Umba sapphire in a classic diamond round brilliant design

    0.85-Carat Steely Blue Umba Sapphire

    $700.00

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  • A 1.10-carat bright blue Umba sapphire is set against a textured gray background. The gemstone is intricately faceted, displaying a vibrant mix of light and dark blue hues. At the bottom of the image, the text reads "Earth's Treasury" with a geometric logo beside it.

    1.10-Carat Bright Blue Umba Sapphire

    $1,650.00

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  • A blue Umba sapphire in a classic diamond round brilliant design

    1.11-Carat Violet-Blue Umba Sapphire

    $1,650.00

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  • 1.17-Carat Rich Orangey-Pink Umba Sapphire

    1.17-Carat Magenta Pink Umba Sapphire

    $2,900.00

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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.