Blue

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  • 1.38-Carat Sky Blue Montana Sapphire (Heated)

    1.38-Carat Sky Blue Montana Sapphire (Heated)

    $1,650.00

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  • 1.13-Carat Blue-Aqua Particolored Montana Sapphire (Heated)

    1.13-Carat Blue-Aqua Particolored Montana Sapphire (Heated)

    $1,250.00

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  • A 1.93-carat rich blue Montana Sapphire (heated), round and faceted, is displayed on a textured gray surface with "EARTH'S TREASURY" and a hexagonal logo beneath the stone.

    1.93-Carat Rich Blue Montana Sapphire (Heated)

    $3,900.00

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  • 1.35-Carat Rich Blue-Yellow Particolored Montana Sapphire (Heated)

    1.35-Carat Rich Blue-Yellow Particolored Montana Sapphire (Heated)

    $2,350.00

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  • 0.92-Carat Rich Blue Montana Sapphire (Heated)

    0.92-Carat Rich Blue Montana Sapphire (Heated)

    $950.00

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  • 1.25-Carat Light Sky Blue Montana Sapphire (Heated)

    1.25-Carat Light Sky Blue Montana Sapphire (Heated)

    $1,800.00

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  • 1.31-Carat Medium Blue Montana Sapphire (Heated)

    1.31-Carat Medium Blue Montana Sapphire (Heated)

    $1,500.00

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  • 1.59-Carat Medium Blue Montana Sapphire (Heated)

    1.59-Carat Medium Blue Montana Sapphire (Heated)

    $3,200.00

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  • A 1.67-carat medium blue heated Montana Sapphire is displayed on a textured surface with the Earth's Treasury logo and name at the bottom.

    1.67-Carat Medium Blue Montana Sapphire (Heated)

    $2,900.00

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  • 1.11-Carat Near Colorless Montana Sapphire (Heated)

    1.11-Carat Near Colorless Montana Sapphire (Heated)

    $1,300.00

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  • 1.32-Carat Sky Blue Montana Sapphire (Heated)

    1.32-Carat Sky Blue Montana Sapphire (Heated)

    $1,950.00

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  • A 1.27-carat blue-aqua particolored Montana Sapphire with a round, geometric cut is displayed on a textured gray surface, featuring the text "Earth's Treasury" at the bottom.

    1.27-Carat Blue-Aqua Particolored Montana Sapphire

    $2,750.00

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  • 1.29-Carat Sky Blue Montana Sapphire

    1.29-Carat Sky Blue Montana Sapphire

    $1,200.00

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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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  • 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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  • 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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  • A pair of Deep Blue Sapphire Earrings, 5.0mm (Heated), in silver settings is shown with one earring resting on a rough blue stone atop a textured gray surface.Close-up of a woman's ear adorned with 5mm deep blue earrings; "Earth's Treasury" logo and text appear at the bottom.

    Deep Blue Sapphire Earrings, 5.0mm (Heated)

    $2,500.00

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  • A pair of Medium Blue Sapphire Earrings, 5.5mm (Heated) with silver settings are displayed, with one earring standing upright and the other lying on its side on a textured surface. The text "EARTH'S TREASURY" and a hexagon logo are visible at the bottom of the image.A pair of Medium Blue Sapphire Earrings, 5.5mm (Heated) with silver settings are displayed, with one earring standing upright and the other lying on its side on a textured surface. The text "EARTH'S TREASURY" and a hexagon logo are visible at the bottom of the image.

    Medium Blue Sapphire Earrings, 5.5mm (Heated)

    $2,300.00

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  • A pair of elegant Light Blue Sapphire Earrings, 6.0mm (Heated), featuring round lavender-blue gemstones set in shiny metal mounts. One earring is laid on a teal stone, showcasing its side profile, while the other stands upright. The background has a textured, grayish surface.A pair of elegant Light Blue Sapphire Earrings, 6.0mm (Heated), featuring round lavender-blue gemstones set in shiny metal mounts. One earring is laid on a teal stone, showcasing its side profile, while the other stands upright. The background has a textured, grayish surface.

    Light Blue Sapphire Earrings, 6.0mm (Heated)

    $1,600.00

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  • The FJ-NEC-101 4.5mm gold bezel slide necklace features a round teal blue gemstone pendant, showcased against a light, textured background. "EARTH'S TREASURY" is displayed at the bottom.The "Shimmer" necklace, 4.5mm, in 14k rose gold

    The “Shimmer” Bezel Slide Necklace – Teal Blue, 3.5-4.5 mm (Heated)

    $699.00

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  • The "Glimmer" Prong Slide Necklace - Teal Blue, 4.5 mm (Heated)The "Glimmer" Prong Slide Necklace - Teal Blue, 4.5 mm (Heated)

    The “Glimmer” Prong Slide Necklace – Teal Blue, 4.5 mm (Heated)

    $949.00

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  • The "Glow" necklace in 14K yellow gold features a round teal blue gemstone pendant on a gold chain, displayed against a light textured background with the "Earth's Treasury" logo at the bottom.The FJ-NEC-105 5.0mm necklace features a round teal blue gemstone pendant in a prong station setting, suspended from a silver chain with the "Earth's Treasury" logo displayed at the bottom against a light background.

    The “Glow” Prong Station Necklace – Teal Blue, 5.0 mm (Heated)

    $1,049.00

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  • The "Sparkle" necklace, 5.2mm, in 14k white goldThe "Sparkle" necklace, 5.2mm, in 14k yellow gold

    The “Sparkle” Bezel Station Necklace – Teal Blue, 5.2 mm (Heated)

    $1,249.00

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  • A 1.42-Carat Midnight Blue Australian Sapphire (Heated) with a faceted triangular shape is showcased on a textured gray surface, its deep color catching the light beautifully, with the Earth's Treasury logo featured at the bottom.

    1.42-Carat Midnight Blue Australian Sapphire (Heated)

    $1,400.00

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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.