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  • A 1.04-carat medium blue-sky blue particolored Montana sapphire (H) rests on a textured gray surface featuring the "Earth's Treasury" logo and text at the bottom.

    1.04-Carat Medium Blue-Sky Blue Particolored Montana Sapphire (Heated)

    $1,950.00

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  • A 1.39-Carat Medium Blue Montana Sapphire with a round, faceted cut is displayed on a textured gray surface featuring the "Earth's Treasury" logo and text at the bottom.

    1.39-Carat Medium Blue Montana Sapphire

    $3,800.00

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  • 0.73-Carat Robin's Egg Blue Montana Sapphire

    0.73-Carat Robin’s Egg Blue Montana Sapphire

    $750.00

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  • 0.81-Carat Robin's Egg Blue Montana Sapphire

    0.81-Carat Robin’s Egg Blue Montana Sapphire

    $1,000.00

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  • 0.95-Carat Pale Blue Montana Sapphire

    0.95-Carat Pale Blue Montana Sapphire

    $1,300.00

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  • The "Victoria" Ring in 14k rose and white gold features a 1.05-carat Montana Sapphire, surrounded by a double diamond halo and diamonds on the band, displayed on a green leaf with "Earth's Treasury" at the bottom.The "Victoria" Ring in 14k rose and white gold features a 1.05-carat Montana sapphire as the center stone, accented by small clear stones along the band. Displayed on a rough blue crystal with the "EARTH'S TREASURY" logo at the bottom.

    The “Victoria” Double Halo Ring

    $2,900.00

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  • The "Daphne" ring in 14k yellow gold, set with a 1.71-carat Montana sapphire, stands upright against a green leaf background. The Earth's Treasury logo is shown below.The "Daphne" ring in 14k yellow gold with a 1.71-carat Montana sapphire is shown upright on a textured blue stone, with "Earth's Treasury" branding below.

    The “Daphne” Solitaire

    $1,650.00

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  • The “Mari” ring in 14k yellow gold features a 1.63-carat Montana Sapphire center, encircled by small diamonds and beautifully displayed on a green leaf background.The “Mari” ring in 14k yellow gold with a 1.63-carat Montana Sapphire is shown on a rough blue stone, with the "Earth's Treasury" logo and text at the bottom.

    The “Mari” Ring

    $1,950.00

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  • A 14k yellow gold "Freya" ring with a 1.51-carat Montana sapphire, shown on a green leaf background. "Earth's Treasury" logo at the bottom.The "Freya" ring in 14k yellow gold with a 1.51-carat Montana sapphire is shown upright on rough blue mineral, with a patterned metallic background and the "Earth's Treasury" logo at the bottom.

    The “Freya” Solitaire

    $2,050.00

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  • The "Surya" ring in 18k yellow gold features a 1.46-carat Montana sapphire at the center, accented by clusters of small white stones, and is displayed on a green leaf with the "Earth's Treasury" logo below.The "Surya" ring in 18k yellow gold with a 1.46-carat Montana sapphire is displayed upright before a rough blue crystal on a textured gray surface. "EARTH'S TREASURY" is shown at the bottom.

    The “Surya” Ring

    $2,600.00

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  • A silver Roe, Ana ring featuring a triangular blue gemstone and small side diamonds rests on green leaves; the "Earth's Treasury" logo appears below.A Roe, Ana Ring featuring a silver band with a green gemstone stands upright on a textured metallic surface, with "EARTH'S TREASURY" displayed below.

    The “Adelaide” Ring

    $3,050.00

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  • 1.57-Carat Greenish-Yellow Nigerian Sapphire (Heated)

    1.57-Carat Greenish-Yellow Nigerian Sapphire (Heated)

    $1,900.00

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  • A 1.85-carat Cornflower Blue Ceylon Sapphire rests on a textured surface, with the "Earth's Treasury" logo at the bottom.

    1.85-Carat Cornflower Blue Ceylon Sapphire

    $2,440.00

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  • A faceted green gemstone on a textured surface, labeled "0.99-Carat Tsavorite Garnet.

    0.99-Carat Tsavorite Garnet

    $800.00

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  • 2.59-Carat Mint Green Grossular Garnet

    2.59-Carat Mint Green Merelani Mint Garnet

    $1,300.00

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  • A 0.84-carat mint green demantoid garnet with a round, faceted design is showcased on a textured gray surface. Below it, you'll find the Earth's Treasury logo.

    0.84-Carat Mint Green Demantoid Garnet

    $650.00

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  • A 2.43-carat olive green demantoid garnet is displayed on a textured gray surface with the text "EARTH'S TREASURY" below.

    2.43-Carat Olive Green Demantoid Garnet

    $1,400.00

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  • 2.83-Carat Green-Teal Particolored Unheated Tanzanite (Zoisite)

    2.83-Carat Green-Teal Particolored Unheated Tanzanite (Zoisite)

    $2,800.00

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  • The "Venus" ring in 14k yellow gold with 1.44-Carat Montana SapphireThe "Venus" ring in 14k yellow gold with 1.44-Carat Montana Sapphire

    The “Venus” Ring

    $2,800.00

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  • The "Calliste" ring in 18K yellow gold with a 1.08-carat Montana sapphire from Calliste Jewelry is shown on a green and white striped plant stem, with the "EARTH'S TREASURY" logo at the bottom.The "Calliste" ring in 18K yellow gold with a 1.08-carat Montana sapphire is shown upright on a gray textured surface, with the "Earth's Treasury" logo and text at the bottom.

    The “Calliste” Solitaire

    $2,400.00

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  • 0.82-Carat Robin's Egg Blue Montana Sapphire (Heated)

    0.82-Carat Robin’s Egg Blue Montana Sapphire (Heated)

    $800.00

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  • 1.38-Carat Intense Yellow Umba Sapphire

    1.38-Carat Intense Yellow Umba Sapphire

    $1,300.00

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  • 1.41-Carat Rich Raspberry Pink Umba Sapphire

    1.41-Carat Rich Raspberry Pink Umba Sapphire

    $1,400.00

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  • The "Ismene" ring in 14k white gold with a 1.29-carat Montana sapphire is displayed on a green leaf, featuring a diamond-encrusted band and the text "Earth's Treasury" below.The “Ismene” ring in 14k white gold with a 1.29-carat Montana sapphire is displayed upright against a rough blue crystal on a textured surface, featuring the "Earth's Treasury" logo at the bottom.

    The Petite Pave “Ismene” Halo Ring

    $2,600.00

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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.