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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 1.00-carat emerald with a rectangular cut is placed on a textured gray surface, featuring the text "EARTH'S TREASURY" at the bottom.

    1.00-Carat Rich Green Emerald (Oiled)

    $2,300.00

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  • A 1.00-carat heated Montana sapphire, round and faceted, rests on a textured metallic surface with "Earth's Treasury" displayed at the bottom center.

    1.00-Carat Aqua Montana Sapphire (Heated)

    $1,050.00

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  • A 1.00-carat heated Montana sapphire rests on a textured gray surface with "Earth's Treasury" and a hexagon logo beneath it.

    1.00-Carat Peacock-Aqua Particolored Montana Sapphire (Heated)

    $1,500.00

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  • A faceted oval 1.00-carat heated Montana Sapphire rests on a textured, light gray surface with the text "EARTH'S TREASURY" below.

    1.00-Carat Peacock-Blue Particolored Montana Sapphire (Heated)

    $1,900.00

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  • A 1.00-carat heated Montana sapphire is displayed on a textured gray surface with the "EARTH'S TREASURY" logo and text at the bottom.

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

    $1,750.00

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    Add to cartDone
  • A 1.00-carat heated Montana sapphire, cushion-cut and blue, is displayed on a textured gray surface with "EARTH'S TREASURY" at the bottom.

    1.00-Carat Light Sky Blue Montana Sapphire (Heated)

    $1,050.00

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    Add to cartDone
  • A 1.00-carat faceted rectangular gemstone shines in a deep peacock blue on a textured light gray surface. This heated Montana Sapphire captivates with its rich color and brilliance. At the bottom, the logo reads "Earth's Treasury.

    1.00-Carat Gray-Aqua Montana Sapphire (Heated)

    $1,500.00

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    Add to cartDone
  • A 1.00-carat heated Montana Sapphire, exhibiting a faceted blue brilliance, rests on a textured surface alongside the "Earth's Treasury" logo.

    1.00-Carat Peacock Blue Montana Sapphire (Heated)

    $1,500.00

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    Add to cartDone
  • A 1.00-carat Montana sapphire (heated), featuring a rectangular, faceted design with a reflective surface, is elegantly displayed on a textured gray background.

    1.00-Carat Aqua Blue Montana Sapphire (Heated)

    $1,750.00

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    Add to cartDone
  • A faceted blue 1.00-carat Montana Sapphire (heated) is displayed on a textured surface with the text "Earth's Treasury" at the bottom.

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

    $1,750.00

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    Add to cartDone
  • 1.00-Carat Colorless Montana Sapphire (Heated)

    1.00-Carat Colorless Montana Sapphire (Heated)

    $1,750.00

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    Add to cartDone
  • 1.00-Carat Blue-Teal Particolored Montana Sapphire (Heated)

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

    $1,750.00

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    Add to cartDone
  • 1.00-Carat Teal Blue Montana Sapphire (Heated)

    1.00-Carat Teal Blue Montana Sapphire (Heated)

    $1,050.00

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    Add to cartDone
  • 1.00-Carat Light Sky Blue Montana Sapphire

    1.00-Carat Light Sky Blue Montana Sapphire

    $1,900.00

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    Add to cartDone
  • 1.00-Carat Teal Blue Montana Sapphire (Heated)

    1.00-Carat Teal Blue Montana Sapphire (Heated)

    $1,250.00

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    Add to cartDone
  • 1.00-Carat Light Yellow Montana Sapphire (Heated)

    1.00-Carat Light Yellow Montana Sapphire (Heated)

    $900.00

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    Add to cartDone
  • 1.00-Carat Steely Blue Montana Sapphire (Heated)

    1.00-Carat Steely Blue Montana Sapphire (Heated)

    $1,250.00

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    Add to cartDone
  • 1.00-Carat Light Lime Green Australian Sapphire (Heated)

    1.00-Carat Light Lime Green Australian Sapphire (Heated)

    $1,100.00

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    Add to cartDone
  • 1.00-Carat Rich Blue Montana Sapphire (Heated)

    1.00-Carat Rich Blue Montana Sapphire (Heated)

    $1,900.00

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    Add to cartDone
  • 1.00-Carat Rich Blue Montana Sapphire (Heated)

    1.00-Carat Rich Blue Montana Sapphire (Heated)

    $1,800.00

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    Add to cartDone
  • A blue Montana sapphire in a classic diamond round brilliant design

    1.00-Carat Teal Blue Montana Sapphire (Heated)

    $1,400.00

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    Add to cartDone
  • A blue Montana sapphire in our "Helena" oval design

    1.00-Carat Medium Blue Montana Sapphire (Heated)

    $1,650.00

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    Add to cartDone
  • A blue Montana sapphire in our "Triptych" trillion design

    1.00-Carat Medium Blue Montana Sapphire (Heated)

    $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.