1.70

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  • A 1.70-carat heated Montana sapphire is displayed on a textured gray surface with "EARTH'S TREASURY" at the bottom.

    1.70-Carat Rich Teal Montana Sapphire (Heated)

    $3,800.00

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  • A 1.70-carat pastel pyrope garnet with an oval cut rests on a textured metallic surface, "EARTH'S TREASURY" visible beneath.

    1.70-Carat Light Magenta Purple to Pink Color Change Pastel Pyrope Garnet

    $850.00

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  • A 1.70-carat Colombia emerald (oiled), cut in a faceted oval shape, rests on a textured gray surface featuring "EARTH'S TREASURY" and a geometric logo below it.

    1.70-Carat Bright Green Colombian Emerald (Oiled)

    $2,000.00

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  • A 1.70-carat heated Montana sapphire with a faceted blue surface rests on textured gray, "EARTH'S TREASURY" logo and text displayed beneath the stone.

    1.70-Carat Teal-Blue Particolored Montana Sapphire (Heated)

    $3,600.00

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    Add to cartDone
  • 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 1.70-carat heated Montana sapphire with a deep blue facet is displayed on a textured surface, featuring the "Earth's Treasury" logo below.

    1.70-Carat Deep Peacock Blue Montana Sapphire (Heated)

    $3,800.00

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    Add to cartDone
  • A 1.70-carat Tanga Garnet, cut in a faceted oval shape, rests on a textured gray surface with "Earth's Treasury" written below.

    1.70-Carat Bubblegum Pink Garnet

    $850.00

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  • A 1.70-carat round brilliant-cut heated Montana sapphire is displayed upright on a textured gray surface, with the "Earth's Treasury" logo shown at the bottom.

    1.70-Carat Blue-Teal Particolored Montana Sapphire (Heated)

    $4,200.00

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    Add to cartDone
  • A faceted, oval-cut 1.70-carat Umbalite Garnet with a deep pink hue is displayed on a textured gray surface, with "Earth's Treasury" written below.

    1.70-Carat Deep Magenta Pink Rhodolite Garnet

    $850.00

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  • A 1.70-carat cushion-cut deep blue spinel is displayed on a textured gray surface, with the text "EARTH'S TREASURY" below.

    1.70-Carat Deep Blue Spinel

    $2,400.00

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  • A faceted 1.70-carat heat-treated ruby displayed against a textured background with the text "Earth's Treasury" at the bottom.

    1.70-Carat Ruby (Heated)

    $6,800.00

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    Add to cartDone
  • 1.70-Carat Rich Blue Ceylon Sapphire (Heated)

    1.70-Carat Rich Blue Ceylon Sapphire (Heated)

    $4,250.00

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    Add to cartDone
  • 1.70-Carat Deep Blue-Green and Yellow Particolored Montana Sapphire (Heated)

    1.70-Carat Deep Blue-Green and Yellow Particolored Montana Sapphire (Heated)

    $2,900.00

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    Add to cartDone
  • A 1.70-carat deep peacock blue Montana Sapphire (heated) rests on a textured metallic surface, with the "Earth's Treasury" text and logo displayed below.

    1.70-Carat Deep Peacock Blue Montana Sapphire (Heated)

    $2,900.00

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    Add to cartDone
  • A 1.70-carat Teal Blue Montana Sapphire (Heated) with square cut and intricate facets rests on a textured gray surface. "EARTH'S TREASURY" is shown below the gemstone.

    1.70-Carat Teal Blue Montana Sapphire (Heated)

    $3,400.00

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    Add to cartDone
  • A yellow Madagascar sapphire in our "Helena" oval design

    1.70-Carat Light Yellow Madagascar Sapphire

    $2,100.00

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    Add to cartDone
  • 1.70-Carat Deep Peacock Blue Montana Sapphire (Heated)

    1.70-Carat Deep Peacock Blue Montana Sapphire (Heated)

    $3,300.00

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    Add to cartDone
  • A faceted ET1123 gemstone in purple rests on a textured gray surface.

    1.70-Carat Magenta Purple to Hot Pink Color Change Pastel Pyrope Garnet

    $1,100.00

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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.