Blue

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  • A 1.96-carat, medium blue Montana Sapphire (Heated) with intricate facets rests on a textured gray surface. "Earth's Treasury" appears at the bottom of the image.

    1.96-Carat Medium Blue Montana Sapphire (Heated)

    $2,940.00

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  • A 1.63-carat medium blue Montana Sapphire (heated) with a square cut rests on a textured surface, with "EARTH'S TREASURY" shown below.

    1.63-Carat Medium Blue Montana Sapphire (Heated)

    $3,700.00

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  • 1.13-Carat Medium Blue Montana Sapphire (Heated)

    1.13-Carat Medium Blue Montana Sapphire (Heated)

    $1,695.00

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  • 0.98-Carat Sky Blue Montana Sapphire (Heated)

    0.98-Carat Sky Blue Montana Sapphire (Heated)

    $1,000.00

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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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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.