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  • A 1.13-carat light aqua blue Montana sapphire displayed on a textured background. The gemstone, featuring a light blue hue, catches the light, revealing its facets. Below, text reads "EARTH'S TREASURY" with a logo icon between the words.

    1.13-Carat Light Aqua Blue Montana Sapphire

    $1,100.00

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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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  • 1.15-Carat Colorless Montana Sapphire

    1.15-Carat Colorless Montana Sapphire

    $1,100.00

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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.