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  • A pair of Montana Sapphire Diamond Halo Earrings, Light Aqua Blue 4.5 mm, in white metal settings—one upright on a blue stone, the other lying flat on a textured surface—with the Earth's Treasury logo below.A size comparison between 4.0mm, 4.5mm, and 5.0mm size light aqua blue Montana sapphire halo earrings

    Montana Sapphire Diamond Halo Earrings, Light Aqua Blue 4.0-5.0 mm (Heated)

    $1,250.00

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    Select optionsDone This product has multiple variants. The options may be chosen on the product page
  • A pair of Montana Sapphire Diamond Halo Earrings, Medium Blue 4.5 mm (Heat), featuring round sapphires with diamond halos—one upright, the other resting on a rough blue stone.A size comparison between 4.0mm, 4.5mm, and 5.0mm size medium blue Montana sapphire halo earrings

    Montana Sapphire Diamond Halo Earrings, Medium Blue 4.0-5.0 mm (Heated)

    $1,250.00

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    Select optionsDone This product has multiple variants. The options may be chosen on the product page
  • A pair of Teal Blue 4.5 mm Montana Sapphire Diamond Halo Earrings (Heated)—one flat, one upright—are displayed on a blue stone slab.A size comparison between 4.0mm, 4.5mm, and 5.0mm size teal blue Montana sapphire halo earrings

    Montana Sapphire Diamond Halo Earrings, Teal 4.0-5.0 mm (Heated)

    $1,250.00

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    Select optionsDone This product has multiple variants. The options may be chosen on the product page
  • Displayed on a textured gray surface is a pair of stunning earrings known as "Stacked from 15 images. Method=B (R=1,S=3)," featuring heated blue sapphires, each encircled by a halo of small clear stones.Displayed on a textured gray surface is a pair of stunning earrings known as "Stacked from 15 images. Method=B (R=1,S=3)," featuring heated blue sapphires, each encircled by a halo of small clear stones.

    Medium Blue Sapphire Halo Earrings, 4.5-5.0 mm (Heated)

    $2,249.00

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    Select optionsDone This product has multiple variants. The options may be chosen on the product page
  • A stunning set of halo earrings, crafted with blue sapphires encircled by dazzling diamonds, is showcased on a textured surface, with "Stacked from 16 images. Method=B (R=1,S=3)" elegantly inscribed at the bottom.A stunning set of halo earrings, crafted with blue sapphires encircled by dazzling diamonds, is showcased on a textured surface, with "Stacked from 16 images. Method=B (R=1,S=3)" elegantly inscribed at the bottom.

    Rich Blue Sapphire Halo Earrings, 4.5-5.0 mm (Heated)

    $2,799.00

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  • The EA-DB-402 earrings elegantly feature medium blue sapphires, each gemstone adding a sophisticated touch, beautifully set on a textured silver surface.A size comparison between 3.5mm, 4.0mm, and 4.5mm size medium blue sapphire earrings

    Medium Blue Sapphire Earrings, 3.5-5.0 mm (Heated)

    $649.00

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    Select optionsDone This product has multiple variants. The options may be chosen on the product page

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.