Blue, Medium

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  • A round, faceted blue gemstone—1.49-carat heated Montana sapphire—rests on a light textured surface. "EARTH'S TREASURY" is displayed at the bottom of the image.

    1.49-Carat Medium Blue Montana Sapphire (Heated)

    $1,800.00

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  • A 1.04-carat Ceylon Sapphire, faceted and oval-shaped, is displayed on a textured light gray surface with the "EARTH'S TREASURY" logo at the bottom.

    1.04-Carat Cornflower Blue Ceylon Sapphire

    $2,400.00

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  • A 1.00-carat Ceylon Sapphire, round brilliant-cut with intricate faceting, rests on a textured gray surface. The "EARTH'S TREASURY" logo appears at the bottom.

    1.00-Carat Cornflower Blue Ceylon Sapphire

    $2,200.00

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  • A 2.27-carat heated Ceylon sapphire, round brilliant-cut, displayed on a patterned metallic surface with the text "EARTH'S TREASURY" below.

    2.27-Carat Cornflower Blue Ceylon Sapphire (Heated)

    $5,600.00

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  • A 1.19-carat heated Ceylon sapphire with square cut and intricate faceting rests on a textured metallic surface, with the "Earth's Treasury" logo displayed below.

    1.19-Carat Cornflower Blue Ceylon Sapphire (Heated)

    $2,100.00

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  • A 2.72-carat heated Ceylon sapphire with a faceted rectangular cut is displayed on a gray textured surface, featuring the "EARTH'S TREASURY" text below.

    2.72-Carat Violet-Blue Ceylon Sapphire (Heated)

    $8,200.00

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  • A 2.29-carat heated Ceylon sapphire with an oval cut is displayed on a textured surface, with "EARTH'S TREASURY" featured below.

    2.29-Carat Violet-Blue to Purple Color-Change Ceylon Sapphire (Heated)

    $6,900.00

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  • A 1.05-carat heated Ceylon sapphire, round brilliant-cut, is displayed on a textured gray surface with "Earth's Treasury" branding at the bottom.

    1.05-Carat Rich Blue Ceylon Sapphire (Heated)

    $2,100.00

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  • A 1.02-carat Ceylon sapphire (heated), round and faceted, is displayed on a textured gray surface with "EARTH'S TREASURY" at the bottom.

    1.02-Carat Cornflower Blue Ceylon Sapphire (Heated)

    $2,100.00

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  • A 1.70-carat heated Ceylon sapphire, round and brilliant-cut, is showcased on a textured silvery surface with "Earth's Treasury" displayed at the bottom.

    1.70-Carat Rich Blue Ceylon Sapphire (Heated)

    $4,200.00

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  • A 3.06-carat heated Ceylon sapphire is displayed on a textured metallic surface labeled "Earth's Treasury.

    3.06-Carat Violet-Blue Ceylon Sapphire (Heated)

    $8,950.00

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  • 1.05-carat heated Montana sapphire, round brilliant-cut and blue, displayed on a textured light gray surface with the text "Earth's Treasury" below.

    1.05-Carat Medium Blue Montana Sapphire (Heated)

    $1,100.00

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  • A 0.99-carat heated Montana sapphire with a round brilliant cut sits on a textured metallic surface, with the Earth’s Treasury logo visible at the bottom.

    0.99-Carat Medium-Sky Particolored Montana Sapphire (Heated)

    $1,050.00

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  • 1.17-carat heated Montana sapphire with a round brilliant cut showcased on a textured gray surface, featuring the "Earth's Treasury" text at the bottom.

    1.17-Carat Medium Blue Montana Sapphire (Heated)

    $1,350.00

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  • A 1.29-carat heated Montana sapphire, round brilliant-cut and blue, is displayed on a textured surface with the text "EARTH'S TREASURY" below.

    1.29-Carat Steely Blue to Purple Color Change Montana Sapphire (Heated)

    $1,900.00

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  • 1.36-carat heated Montana sapphire in a round brilliant cut displayed on a textured gray surface, with "Earth's Treasury" at the bottom.

    1.36-Carat Steely Blue to Purple Color Change Montana Sapphire (Heated)

    $2,300.00

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  • A 1.10-carat heated Montana sapphire rests on a textured gray surface, with "Earth's Treasury" visible at the bottom.

    1.10-Carat Medium Blue Montana Sapphire (Heated)

    $1,800.00

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  • A faceted 1.18-carat heated Montana sapphire with a radiating pattern rests on a textured gray surface. The "EARTH'S TREASURY" logo appears at the bottom.

    1.18-Carat Steely Blue to Purple Color Change Montana Sapphire (Heated)

    $2,300.00

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  • A 1.36-carat heated Montana Sapphire rests on a textured metallic surface, with "Earth's Treasury" and the logo visible at the bottom.

    1.36-Carat Rich Blue Montana Sapphire (Heated)

    $2,750.00

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  • A 1.21-carat heated Montana sapphire with a round brilliant cut is showcased on a textured gray surface, with "Earth's Treasury" displayed at the bottom.

    1.21-Carat Medium Blue Montana Sapphire (Heated)

    $2,150.00

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  • A pair of Montana Sapphire Earrings—medium blue, 5.25mm (heated), set in silver—displayed on a blue-green stone with the Earth’s Treasury logo below.A pair of Montana Sapphire Earrings—medium blue, 5.25mm (heated), set in silver—displayed on a blue-green stone with the Earth’s Treasury logo below.

    Montana Sapphire Earrings- Medium Blue, 5.25mm (Heated)

    $2,100.00

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  • A 0.81-carat heated Montana sapphire with a rich blue hue rests on a textured light gray surface, featuring the "EARTH'S TREASURY" text and a hexagon logo at the bottom.

    0.81-Carat Medium Blue Montana Sapphire (Heated)

    $850.00

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  • 1.24-Carat Montana Sapphire (Heated) with a faceted blue starburst pattern, displayed on a textured light gray surface, features the "Earth's Treasury" logo at the bottom.

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

    $2,200.00

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  • A 1.15-carat heated Montana Sapphire, round brilliant-cut and blue, is displayed on a metallic textured surface with the text "EARTH'S TREASURY" below.

    1.15-Carat Medium Blue Montana Sapphire (Heated)

    $2,000.00

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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.