Blue, Medium

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  • A 1.33-carat heated Montana sapphire, round brilliant-cut and blue, is displayed on a textured gray surface with the "Earth's Treasury" logo at the bottom.

    1.33-Carat Rich Steely Blue Montana Sapphire (Heated)

    $1,600.00

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  • A round, brilliantly cut 2.03-carat Montana Sapphire in medium blue is displayed on a geometric patterned surface, with the text "EARTH'S TREASURY" at the bottom.

    2.03-Carat Medium Blue Montana Sapphire

    $7,700.00

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  • A 1.10-carat heated Montana sapphire with a geometric rectangular cut rests on a textured gray surface. The Earth's Treasury logo is at the bottom of the image.

    1.10-Carat Medium Blue Montana Sapphire (Heated)

    $1,950.00

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  • A 0.82-Carat Montana Sapphire (Heated), round and faceted, is shown on a textured light gray surface with "EARTH'S TREASURY" at the bottom.

    0.82-Carat Medium Blue Montana Sapphire (Heated)

    $700.00

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  • A round, faceted blue 1.89-carat Montana Sapphire (Heated) is displayed on a textured surface, with "Earth's Treasury" written below.

    1.89-Carat Medium Blue Montana Sapphire (Heated)

    $2,950.00

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  • A 2.53-carat heated Montana sapphire, round brilliant-cut and blue, is displayed on a textured surface with the text "EARTH'S TREASURY" below it.

    2.53-Carat Medium Blue Montana Sapphire (Heated)

    $9,750.00

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  • A 1.33-carat round-cut heated Montana sapphire is displayed on a textured gray metallic surface with the Earth’s Treasury logo at the bottom.

    1.33-Carat Steely Blue Montana Sapphire (Heated)

    $2,650.00

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  • A faceted, hexagonal 0.97-carat heated Montana sapphire with a blue hue is displayed on a textured light gray surface featuring the Earth's Treasury logo at the bottom.

    0.97-Carat Violet-Blue Montana Sapphire (Heated)

    $1,200.00

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  • A faceted, hexagonal 1.12-carat heated Montana sapphire rests on a textured light gray surface, with "EARTH'S TREASURY" displayed at the bottom.

    1.12-Carat Medium Blue Montana Sapphire (Heated)

    $1,650.00

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  • A 1.14-carat heated Montana sapphire with geometric faceting rests on a textured gray surface; the "Earth's Treasury" logo appears below the gemstone.

    1.14-Carat Medium Blue Montana Sapphire (Heated)

    $2,000.00

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  • A 1.34-carat heated Montana sapphire rests on a textured surface, with the "Earth's Treasury" logo and text visible at the bottom of the image.

    1.34-Carat Medium Blue Montana Sapphire (Heated)

    $2,700.00

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  • A 0.92-carat, round, faceted Montana sapphire (heated) is showcased on a textured metallic surface with "EARTH'S TREASURY" displayed at the bottom.

    0.92-Carat Steely Blue Montana Sapphire (Heated)

    $1,150.00

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  • A 1.06-carat heated Montana sapphire, rectangular and intricately faceted, rests on a textured light gray surface. The text "EARTH'S TREASURY" appears at the bottom.

    1.06-Carat Medium Blue Montana Sapphire (Heated)

    $1,100.00

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  • A 2.08-carat heated Montana sapphire is showcased on a textured, light surface with "EARTH'S TREASURY" displayed below.

    2.08-Carat Medium Blue Montana Sapphire (Heated)

    $5,300.00

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  • 3.91-Carat Ceylon Sapphire (Heated), oval-cut with intricate facets and a light violet-blue hue, displayed on a textured light gray surface, "EARTH'S TREASURY" text at the bottom.

    3.91-Carat Medium Blue Ceylon Sapphire (Heated)

    $11,000.00

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  • A faceted 1.51-carat Ceylon sapphire (heated) with a starburst pattern rests on textured silver, the "EARTH'S TREASURY" logo beneath it.

    1.51-Carat Blue-Colorless Particolored Ceylon Sapphire (Heated)

    $3,000.00

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  • A 1.24-carat heated Ceylon sapphire, faceted in an oval shape, rests on a textured gray surface with the "Earth's Treasury" logo at the bottom.

    1.24-Carat Cornflower Blue Ceylon Sapphire (Heated)

    $2,200.00

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  • A 5.54-carat unheated tanzanite (zoisite) with geometric facets rests on a textured light gray surface; the "EARTH'S TREASURY" logo appears at the bottom.

    5.54-Carat Violet-Blue Unheated Tanzanite (Zoisite)

    $3,400.00

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  • A 6.30-carat unheated tanzanite (zoisite) with stunning internal reflections rests on a textured grey surface, with "EARTH'S TREASURY" displayed below.

    6.30-Carat Blue-Green Particolored Unheated Tanzanite (Zoisite)

    $3,800.00

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  • A 2.04-carat oval-cut blue spinel with multiple facets rests on a textured light gray surface. The text "EARTH'S TREASURY" appears at the bottom.

    2.04-Carat Medium Blue Spinel

    $3,950.00

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  • A rectangular 1.57-carat heated Montana Sapphire with step-cut facets is displayed on a textured gray surface, featuring the "Earth's Treasury" logo at the bottom.

    1.57-Carat Cornflower Blue Montana Sapphire (Heated)

    $2,950.00

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  • A 1.45-carat heated Montana sapphire, rectangular and blue with intricate facets, is displayed on a textured metallic surface. The text "EARTH'S TREASURY" appears at the bottom.

    1.45-Carat Medium Blue Montana Sapphire (Heated)

    $2,900.00

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  • A 1.30-carat heated Montana Sapphire, round brilliant-cut and blue in color, is displayed on a textured light gray surface with "EARTH'S TREASURY" at the bottom.

    1.30-Carat Medium Blue Montana Sapphire (Heated)

    $2,850.00

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  • A 1.09-carat heated Montana sapphire is displayed on a textured gray surface with the words "EARTH'S TREASURY" printed below.

    1.09-Carat Medium Blue Montana Sapphire (Heated)

    $1,900.00

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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.