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  • 0.82-Carat Rich Sky Blue Montana Sapphire (Heated)

    0.82-Carat Rich Sky Blue Montana Sapphire (Heated)

    $800.00

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  • A 1.96-carat olive green Australian sapphire, known for its exquisite beauty, is elegantly displayed on a textured gray surface.

    1.96-Carat Olive Green Australian Sapphire (Heated)

    $4,200.00

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  • 1.66-Carat Midnight Blue Australian Sapphire (Heated)

    1.66-Carat Midnight Blue Australian Sapphire (Heated)

    $1,700.00

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  • 1.51-Carat Midnight Blue Australian Sapphire (Heated)

    1.51-Carat Midnight Blue Australian Sapphire (Heated)

    $1,000.00

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  • 1.43-Carat Midnight Blue-Green Australian Sapphire (Heated)

    1.43-Carat Midnight Blue-Green Australian Sapphire (Heated)

    $1,400.00

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  • 1.50-Carat Deep Peacock Blue Australian Sapphire (Heated)

    1.50-Carat Deep Peacock Blue Australian Sapphire (Heated)

    $1,900.00

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  • A 1.72-carat Lemon Yellow Australian Sapphire, faceted in an oval shape, is shown on a textured gray surface with the "Earth's Treasury" logo beneath it.

    1.72-Carat Lemon Yellow Australian Sapphire (Heated)

    $2,100.00

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  • 2.49-Carat Gold-Green Particolored Australian Sapphire (Heated)

    2.49-Carat Gold-Green Particolored Australian Sapphire (Heated)

    $5,000.00

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  • A 1.78-carat dark olive green Australian sapphire with a cushion cut is showcased on a textured metallic surface, featuring the "Earth's Treasury" text at the bottom.

    1.78-Carat Dark Olive Green Australian Sapphire (Heated)

    $2,400.00

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  • 3.14-Carat Near Black Australian Sapphire (Heated)

    3.14-Carat Near Black Australian Sapphire (Heated)

    $2,400.00

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  • 1.13-Carat Lemon Yellow Australian Sapphire (Heated)

    1.13-Carat Lemon Yellow Australian Sapphire (Heated)

    $1,000.00

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  • 1.00-Carat Light Lime Green Australian Sapphire (Heated)

    1.00-Carat Light Lime Green Australian Sapphire (Heated)

    $1,100.00

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  • The "Andromeda" ring in 14k yellow gold with 1.60-carat Ceylon sapphireThe "Andromeda" ring in 14k yellow gold with 1.60-carat Ceylon sapphire

    The “Andromeda” Ring

    $3,600.00

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  • The "Isolde" in 14k yellow gold with 1.01-carat Montana sapphire alongside the "Minthe" band in 14k yellow goldThe "Isolde" ring in 14k yellow gold with 1.01-carat Montana sapphire

    The “Isolde” Ring

    $2,800.00

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  • The "Aurelia" ring in 14K yellow gold with 0.92-carat Montana sapphireThe "Aurelia" ring in 14K yellow gold with 0.92-carat Montana sapphire

    The “Aurelia” Ring

    $2,600.00

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  • The "Katya" ring in platinum with 1.33-carat Montana sapphireThe "Katya" ring in platinum with 1.33-carat Montana sapphire

    The “Katya” Hidden Halo Solitaire

    $1,800.00

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  • The “Siobhan” ring in platinum with 1.98-carat Montana sapphireThe “Siobhan” ring in platinum with 1.98-carat Montana sapphire

    The “Siobhan” Solitaire

    $1,900.00

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  • The “Vanessa” Ring in 14k yellow gold with 3.08-Carat Montana SapphireThe “Vanessa” Ring in 14k yellow gold with 3.08-Carat Montana Sapphire

    The “Vanessa” Solitaire

    $1,700.00

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  • The 2022-01-10 11-17-33 (B,Radius1,Smoothing1)-1200-BW ring, featuring a blue gemstone in rose gold, is displayed vertically on a green plant stem. Below the ring, the Earth's Treasury logo is visible.The 2022-01-10 11-10-57 (B,Radius1,Smoothing1)-1200-BW ring features a rose gold Demeter Solitaire design with a blue gemstone and engraved band, set on a rough blue stone atop a textured gray surface with the Earth's Treasury logo.

    The “Demeter” Solitaire

    $1,800.00

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  • 0.88-Carat Rich Blue Montana Sapphire (Heated)

    0.88-Carat Rich Blue Montana Sapphire (Heated)

    $800.00

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  • 1.03-Carat Medium Blue Montana Sapphire (Heated)

    1.03-Carat Medium Blue Montana Sapphire (Heated)

    $1,200.00

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  • 0.77-Carat Greenish-Yellow Montana Sapphire (Heated)

    0.77-Carat Greenish-Yellow Montana Sapphire (Heated)

    $700.00

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  • 0.81-Carat Medium Blue Montana Sapphire (Heated)

    0.81-Carat Medium Blue Montana Sapphire (Heated)

    $800.00

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  • 2.24-Carat Rich Blue Montana Sapphire (Heated)

    2.24-Carat Rich Blue Montana Sapphire (Heated)

    $6,300.00

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    Add to cartDone

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.