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  • A vibrant, cushion-cut pink Madagascar sapphire is displayed on a textured metallic surface. The gem features multiple facets that reflect light, enhancing its radiant appearance. The background has a geometric pattern, and the text "EARTH'S TREASURY" is seen below the image.

    1.13-Carat Purplish Pink Madagascar Sapphire

    $1,150.00

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  • 1.85-Carat Intense Pink Spinel

    1.85-Carat Magenta Pink Spinel

    $3,700.00

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  • A 2.02-carat Bubblegum Pink Mahenge Garnet displayed on a textured surface with the logo and text "Earth's Treasury" below.

    2.02-Carat Bubblegum Pink Mahenge Garnet

    $1,200.00

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  • 0.69-Carat Whiskey Orange Umba Sapphire

    0.69-Carat Whiskey Orange Umba Sapphire

    $420.00

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  • 0.85-Carat Medium Blue Montana Sapphire (Heated)

    0.85-Carat Medium Blue Montana Sapphire (Heated)

    $800.00

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

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

    $1,650.00

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  • A 1.35-carat Rich Blue Montana Sapphire (Heated), round and faceted, is shown on a textured metallic surface with "EARTH'S TREASURY" featured at the bottom.

    1.35-Carat Rich Blue Montana Sapphire (Heated)

    $2,200.00

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  • 0.67-Carat Medium Blue Montana Sapphire (Heated)

    0.67-Carat Medium Blue Montana Sapphire (Heated)

    $700.00

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  • A blue Montana sapphire in our "Serendipity" oval design

    0.71-Carat Sky Blue Montana Sapphire (Heated)

    $700.00

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  • 1.48-Carat Yellow Australian Sapphire (Heated)

    1.48-Carat Yellow Australian Sapphire (Heated)

    $1,450.00

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  • 1.34-Carat Dark Greenish-Gold Australian Sapphire (Heated)

    1.34-Carat Dark Greenish-Gold Australian Sapphire (Heated)

    $1,350.00

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

    0.74-Carat Deep Peacock Blue Australian Sapphire (Heated)

    $750.00

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  • A faceted 2.16-carat dark green Australian sapphire with a trillion cut rests on a textured metallic surface. The text "Earth's Treasury" appears at the bottom.

    2.16-Carat Dark Green Australian Sapphire (Heated)

    $4,300.00

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  • 1.91-Carat Midnight Blue-Green Particolored Australian Sapphire (Heated)

    1.91-Carat Midnight Blue-Green Particolored Australian Sapphire (Heated)

    $2,600.00

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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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  • 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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  • 3.14-Carat Near Black Australian Sapphire (Heated)

    3.14-Carat Near Black Australian Sapphire (Heated)

    $2,400.00

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  • 0.58-Carat Light Yellow Australian Sapphire (Heated)

    0.58-Carat Light Yellow Australian Sapphire (Heated)

    $600.00

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  • A faceted, square-shaped 2.74-carat lime green Australian sapphire rests on a textured, metallic surface. The surface has an intricate, geometric pattern with various intersecting lines and shapes. The text "EARTH'S TREASURY" appears at the bottom of the image.

    1.44-Carat Greenish Yellow Australian Sapphire (Heated)

    $2,150.00

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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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    Add to cartDone
  • 1.78-Carat Yellow-Blue Particolored Montana Sapphire (Heated)

    1.78-Carat Yellow-Blue Particolored Montana Sapphire (Heated)

    $3,100.00

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  • 1.45-Carat Medium Blue Montana Sapphire (Heated)

    1.45-Carat Medium Blue Montana Sapphire (Heated)

    $2,900.00

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    Add to cartDone
  • 1.38-Carat Aqua Blue Montana Sapphire (Heated)

    1.38-Carat Aqua Blue Montana Sapphire (Heated)

    $2,100.00

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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.