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Showing 1969–1992 of 1996 resultsSorted by latest

  • 0.88-Carat Pale Aqua-Gray Montana Sapphire

    0.88-Carat Pale Aqua-Gray Montana Sapphire

    $850.00

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  • 1.05-Carat Light Gray-Blue Montana Sapphire

    1.05-Carat Light Gray-Blue Montana Sapphire

    $800.00

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  • The "Twyg" ring in 14K white gold with a 2.05-carat Montana sapphire is shown upright on a green Twyg bamboo stalk, with the Earth's Treasury logo at the bottom of the image.The "Twyg" ring in 14K white gold, featuring a 2.05-carat Montana sapphire, is displayed atop a rough blue stone with the text "Earth's Treasury" below.

    The “Twyg” Solitaire

    $1,900.00

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    Select optionsDone This product has multiple variants. The options may be chosen on the product page
  • The "Anne" ring in 14k yellow gold features a 1.44-carat Australian sapphire, pear-shaped and surrounded by diamonds, displayed on a green leaf with "EARTH'S TREASURY" below.The "Anne" ring in 14k yellow gold with a 1.44-carat Australian sapphire stands upright on a rough gemstone, with the Earth’s Treasury logo shown below on a textured background.

    The “Anne” Halo Ring

    $2,600.00

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    Select optionsDone This product has multiple variants. The options may be chosen on the product page
  • 3.73-Carat Rich Pink California Tourmaline

    3.73-Carat Rich Pink California Tourmaline

    $1,300.00

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  • 3.66-Carat Bright Pink California Tourmaline

    3.66-Carat Bright Pink California Tourmaline

    $1,100.00

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  • 3.11-Carat Bright Pink California Tourmaline

    3.11-Carat Bright Pink California Tourmaline

    $935.00

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  • A faceted yellow ET1445 gemstone rests on a textured gray surface, with the words "Earth's Treasury" displayed at the bottom.

    1.17-Carat Bright Yellow California Tourmaline

    $235.00

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  • A blue Montana sapphire in a custom oval desing

    0.64-Carat Bluish Violet Montana Sapphire

    $650.00

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  • ET1060, a yellow faceted gemstone resting on a textured gray surface, with "Earth's Treasury" inscribed below.

    1.06-Carat Light Golden Yellow Grossular Garnet

    $500.00

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  • A faceted pink gemstone, product ET1128, rests on a textured gray surface labeled "Earth's Treasury.

    1.13-Carat Magenta Purple to Hot Pink Color Change Pastel Pyrope Garnet

    $650.00

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  • A faceted gemstone from product ET1127, featuring a pink hue, displayed on a textured gray surface.

    1.29-Carat Magenta Purple to Hot Pink Color Change Pastel Pyrope Garnet

    $800.00

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  • A faceted ET1123 gemstone in purple rests on a textured gray surface.

    1.70-Carat Magenta Purple to Hot Pink Color Change Pastel Pyrope Garnet

    $1,100.00

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  • The ET1181 gemstone, a faceted light green stone, is showcased on a textured grey surface with the words "Earth's Treasury" at the bottom.

    0.51-Carat Bright Mint Green Kornerupine

    $155.00

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  • The "Charlotte" ring in 14K white gold features a 1.71-carat Montana sapphire surrounded by clear stones in a split-shank halo design, displayed on a green leaf with the Earth's Treasury logo at the bottom.The "Charlotte" ring in 14K white gold with a 1.71-carat Montana sapphire is displayed upright against a rough blue mineral on a textured gray surface, with the Earth's Treasury logo at the bottom.

    The “Charlotte” Split-Shank Halo Ring

    $3,200.00

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    Select optionsDone This product has multiple variants. The options may be chosen on the product page
  • The “Grace” ring in 14K yellow gold showcases a 1.74-carat Montana sapphire with a bezel-set halo of diamonds, elegantly displayed on a rough blue stone above the "Earth's Treasury" logo.The “Grace” ring in 14K yellow gold showcases a 1.74-carat Montana sapphire with a bezel-set halo of diamonds, elegantly displayed on a rough blue stone above the "Earth's Treasury" logo.

    The “Grace” Bezel-Set Halo Ring

    $2,600.00

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    Select optionsDone This product has multiple variants. The options may be chosen on the product page
  • A 1.58-carat near colorless Montana Sapphire with visible inclusions, oval-cut, rests on a textured surface. The Earth's Treasury logo appears below.

    1.58-Carat Near Colorless Montana Sapphire

    $2,000.00

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  • 1.21-Carat Aqua Blue Montana Sapphire

    1.21-Carat Aqua Blue Montana Sapphire

    $1,200.00

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  • A 1.45-carat Royal Blue Montana Sapphire (heated) is showcased on a textured gray surface, with the "Earth's Treasury" logo and text at the bottom of the image.

    1.45-Carat Violet-Blue Montana Sapphire (Heated)

    $2,900.00

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  • 1.02-Carat Gray-Aqua Montana Sapphire

    1.02-Carat Gray-Aqua Montana Sapphire

    $800.00

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  • 1.10-Carat Sky Blue Montana Sapphire

    1.10-Carat Sky Blue Montana Sapphire

    $1,650.00

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  • 3.25-Carat Greenish Gold California Tourmaline

    3.25-Carat Greenish Gold California Tourmaline

    $975.00

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  • 1.15-Carat Colorless Montana Sapphire

    1.15-Carat Colorless Montana Sapphire

    $1,100.00

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  • A 1.33-Carat Gray-Aqua Montana Sapphire rests on a textured metallic surface, with the Earth's Treasury logo and text displayed below.

    1.33-Carat Gray-Aqua Montana Sapphire

    $1,995.00

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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.