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  • A faceted, oval-shaped 1.57-carat heated Montana sapphire shown on a textured gray surface, with the "Earth's Treasury" logo and text at the bottom.

    1.57-Carat Deep Blue Montana Sapphire (Heated)

    $2,650.00

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    Add to cartDone
  • A 1.69-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.

    1.69-Carat Deep Peacock Blue Montana Sapphire (Heated)

    $2,300.00

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    Add to cartDone
  • A faceted 1.55-carat heated Australian sapphire in dark blue with geometric cuts rests on a textured surface, marked by the "Earth's Treasury" logo below.

    1.55-Carat Peacock Blue Australian Sapphire (Heated)

    $2,300.00

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    Add to cartDone
  • A teardrop-shaped 1.38-Carat Ceylon Sapphire rests on a textured surface, with "Earth's Treasury" visible at the bottom.

    1.38-Carat Rich Violet-Blue Ceylon Sapphire

    $3,500.00

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    Add to cartDone
  • An oval-cut, faceted Ceylon Sapphire (1.32 carats) lies on a textured surface with the "Earth's Treasury" logo below.

    1.32-Carat Purple Ceylon Sapphire

    $3,050.00

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    Add to cartDone
  • A 2.40-carat cushion-cut Montana sapphire with a blue hue is showcased on a textured surface featuring the "Earth's Treasury" logo.

    2.40-Carat Deep Peacock Blue Montana Sapphire (Heated)

    $3,800.00

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    Add to cartDone
  • A 2.07-carat Montana sapphire (heated) sits on a textured surface, with "Earth's Treasury" below.

    2.07-Carat Deep Peacock Blue Montana Sapphire (Heated)

    $6,200.00

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    Add to cartDone
  • A 2.05-carat Ceylon Sapphire, round and faceted with a lavender hue, placed on a textured surface.

    2.05-Carat Violet Purple Ceylon Sapphire

    $7,050.00

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    Add to cartDone
  • A 1.45-carat Ceylon sapphire, heat-treated, rests on a textured surface.

    1.45-Carat Sky Blue Ceylon Sapphire (Heated)

    $2,900.00

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    Add to cartDone
  • A 1.06-carat Ceylon Sapphire, round and faceted with intricate patterns on its textured blue surface, features Earth's Treasury's logo at the bottom.

    1.06-Carat Light Violet-Blue Ceylon Sapphire

    $2,150.00

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    Add to cartDone
  • A 1.03-carat Montana sapphire, heated and pear-shaped, rests on a textured surface.

    1.03-Carat Sky Blue Montana Sapphire (Heated)

    $1,550.00

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    Add to cartDone
  • A close-up of a faceted pale violet-blue 2.48-Carat Ceylon Sapphire gemstone on a textured surface with the text "Earth's Treasury" at the bottom.

    1.36-Carat Pale Violet-Blue Ceylon Sapphire

    $2,700.00

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    Add to cartDone
  • A close-up image of a faceted teal blue Montana sapphire, weighing 1.79 carats and featuring intricate cuts, placed on a textured surface. The bottom center of the image features the text "EARTH'S TREASURY" along with a geometric logo.

    1.79-Carat Teal Blue Montana Sapphire (Heated)

    $2,400.00

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    Add to cartDone
  • 1.63-Carat Medium Blue Ceylon Sapphire

    1.63-Carat Medium Blue Ceylon Sapphire

    $4,200.00

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    Add to cartDone
  • A 1.65-Carat Medium Blue Montana Sapphire (Heated) is shown in a round cut on a textured gray surface with "Earth's Treasury" at the bottom.

    1.65-Carat Medium Blue Montana Sapphire (Heated)

    $4,100.00

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

    1.68-Carat Midnight Blue Australian Sapphire (Heated)

    $1,900.00

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    Add to cartDone
  • 1.77-Carat Near Black Australian Sapphire (Heated)

    1.77-Carat Near Black Australian Sapphire (Heated)

    $900.00

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

    1.72-Carat Teal Blue Montana Sapphire (Heated)

    $2,800.00

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

    1.79-Carat Rich Cornflower Blue Ceylon Sapphire (Heated)

    $4,500.00

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    Add to cartDone
  • A 1.67-carat medium blue Montana Sapphire (heated) is displayed on a textured gray surface with the text "Earth's Treasury" and a hexagon logo beneath it.

    1.67-Carat Medium Blue Montana Sapphire (Heated)

    $3,250.00

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

    1.59-Carat Medium Blue Montana Sapphire (Heated)

    $3,200.00

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    Add to cartDone
  • 1.53-Carat Orange Montana Sapphire (Heated)

    1.53-Carat Orange Montana Sapphire (Heated)

    $1,500.00

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

    2.37-Carat Near Colorless Montana Sapphire (Heated)

    $5,900.00

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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.