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Showing 25–48 of 79 resultsSorted by latest

  • 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 1.15-carat heated Montana sapphire, round and blue, is placed on a textured surface with the "Earth's Treasury" logo below.

    1.15-Carat Teal Blue Montana Sapphire (Heated)

    $1,700.00

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    Add to cartDone
  • A faceted cushion-cut blue 1.27-carat Montana Sapphire (heated) on a textured surface with the text "Earth's Treasury" below.

    1.27-Carat Teal Blue Montana Sapphire (Heated)

    $2,200.00

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    Add to cartDone
  • A round blue Montana sapphire, weighing 1.08 carats and featuring intricate facets, rests on a textured surface with "Earth's Treasury" printed below.

    1.08-Carat Teal Blue Montana Sapphire (Heated)

    $1,600.00

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    Add to cartDone
  • A 1.08-carat Montana sapphire, heated and featuring a faceted cut, is displayed on a textured surface.

    1.08-Carat Light Sky Blue Montana Sapphire (Heated)

    $1,900.00

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    Add to cartDone
  • A 0.91-carat Montana Sapphire (heated), featuring a round faceted cut and blue hue, is showcased on a textured gray surface with the text "Earth's Treasury" below.

    0.91-Carat Rich Blue Montana Sapphire (Heated)

    $1,050.00

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    Add to cartDone
  • A 0.92-carat Montana Sapphire, heated and faceted in blue, displayed on a textured surface with the "Earth's Treasury" logo at the bottom.

    0.92-Carat Medium Blue Montana Sapphire (Heated)

    $1,050.00

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

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

    $600.00

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    Add to cartDone
  • 0.73-Carat Medium Blue Montana Sapphire (Heated)

    0.73-Carat Medium Blue Montana Sapphire (Heated)

    $730.00

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

    0.93-Carat Rich Blue Montana Sapphire (Heated)

    $1,300.00

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    Add to cartDone
  • A 1.53-carat Royal Blue Ceylon Sapphire, precisely cut into a square shape, rests on a textured grey surface. The background is adorned with subtle geometric patterns, and the text "EARTH'S TREASURY" is prominently displayed at the bottom of the image.

    0.74-Carat Deep Blue Sapphire

    $950.00

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    Add to cartDone
  • 1.34-Carat Midnight Blue-Green Australian Sapphire (Heated)

    1.34-Carat Midnight Blue-Green Australian Sapphire (Heated)

    $1,700.00

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    Add to cartDone
  • A 2.14-carat Robin's Egg Blue Montana Sapphire with a cushion cut shape is displayed on a textured surface. The clarity and facets of the gem are highlighted by the lighting. At the bottom of the image, the text reads "EARTH'S TREASURY" with a small geometric logo.

    1.24-Carat Pale Blue Sapphire

    $1,900.00

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    Add to cartDone
  • 1.09-Carat Pale Yellow Sapphire

    1.09-Carat Pale Yellow Sapphire

    $1,450.00

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    Add to cartDone
  • A 0.98-carat heated Montana Sapphire gemstone is placed on a textured surface with the "EARTH'S TREASURY" logo and text below it.

    0.98-Carat Deep Peacock Blue Montana Sapphire (Heated)

    $800.00

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

    1.04-Carat Medium Blue Montana Sapphire (Heated)

    $1,250.00

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    Add to cartDone
  • 1.12-Carat Medium Blue Montana Sapphire (Heated)

    1.12-Carat Medium Blue Montana Sapphire (Heated)

    $1,700.00

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

    0.95-Carat Sky Blue Montana Sapphire (Heated)

    $700.00

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

    0.85-Carat Sky Blue Montana Sapphire (Heated)

    $850.00

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    Add to cartDone
  • A 1.25-carat blue-aqua particolored heated Montana Sapphire with cushion cut is showcased on a textured light surface. The "Earth's Treasury" logo is displayed at the bottom.

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

    $2,100.00

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

    1.14-Carat Peacock Blue Montana Sapphire (Heated)

    $1,900.00

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

    1.12-Carat Rich Blue Montana Sapphire (Heated)

    $1,100.00

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

    0.83-Carat Sky Blue Montana Sapphire (Heated)

    $800.00

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    Add to cartDone
  • A blue Australian Sapphire in our "Serendipity" oval design

    0.82-Carat Midnight Blue-Green Australian Sapphire (Heated)

    $800.00

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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.