18K Yellow Gold and Platinum

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  • The "Armando" ring features a 1.57-carat round Montana sapphire set in silver and gold, displayed on a green and white stem with the Earth’s Treasury logo below.The "Armando" ring, crafted in silver and gold with a 1.57-carat Montana sapphire, stands upright framing a raw blue mineral on a textured gray surface. The "Earth's Treasury" logo appears below.

    The “Armando” Ring

    $8,500.00

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  • The "Clint" in platinum and 18k yellow gold with 2.59-carat Montana sapphireThe "Clint" in platinum and 18k yellow gold with 2.59-carat Montana sapphire

    The “Clint” Ring

    $8,300.00

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  • The "Perseus" ring in platinum and 18k yellow gold with custom-cut diamondThe "Perseus" ring in platinum and 18k yellow gold with custom-cut diamond

    The “Perseus” Ring

    $8,300.00

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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.