Classic Diamond Round Brilliant

Showing 385–408 of 603 resultsSorted by latest

  • 1.23-Carat Peacock Blue Montana Sapphire (Heated)

    1.23-Carat Peacock Blue Montana Sapphire (Heated)

    $1,200.00

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  • A 2.75-carat golden yellow Montana sapphire with a faceted surface set against a textured silver background, labeled "Earth's Treasury.

    2.75-Carat Golden Yellow Montana Sapphire (Heated)

    $7,200.00

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  • 5.37-Carat Blue-Green-Yellow Particolored Montana Sapphire (Heated)

    5.37-Carat Blue-Green-Yellow Particolored Montana Sapphire (Heated)

    $18,800.00

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

    1.06-Carat Teal Blue Montana Sapphire (Heated)

    $1,400.00

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

    0.91-Carat Yellow Montana Sapphire (Heated)

    $600.00

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

    1.29-Carat Deep Peacock Blue Montana Sapphire (Heated)

    $900.00

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  • 1.37-Carat Deep Peacock Blue Montana Sapphire (Heated)

    1.37-Carat Deep Peacock Blue Montana Sapphire (Heated)

    $900.00

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

    1.08-Carat Rich Blue Montana Sapphire (Heated)

    $1,500.00

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    Add to cartDone
  • A 1.31-carat medium blue heated Montana Sapphire is shown on a textured gray surface with "EARTH'S TREASURY" below.

    1.31-Carat Medium Blue Montana Sapphire (Heated)

    $2,300.00

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  • 0.92-Carat Medium Blue Montana Sapphire (Heated)

    0.92-Carat Medium Blue Montana Sapphire (Heated)

    $900.00

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    Add to cartDone
  • A 1.28-carat medium blue heated Montana Sapphire is shown, round and faceted, on a gray textured surface with “Earth’s Treasury” and its logo below.

    1.28-Carat Medium Blue Montana Sapphire (Heated)

    $2,200.00

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  • 1.29-Carat Sky Blue Montana Sapphire

    1.29-Carat Sky Blue Montana Sapphire

    $1,200.00

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  • 1.48-Carat Deep Purple-Peach Particolored Umba Sapphire

    1.48-Carat Deep Purple-Peach Particolored Umba Sapphire

    $1,850.00

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  • 1.93-Carat Raspberry Pink Umba Sapphire

    1.93-Carat Raspberry Pink Umba Sapphire

    $3,200.00

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  • A 3.25-carat magenta purple Umba sapphire resting on a textured surface with the "Earth's Treasury" logo beneath it.

    3.25-Carat Magenta Purple Umba Sapphire

    $4,100.00

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    Add to cartDone
  • 0.74-Carat Golden Yellow Montana Sapphire (Heated)

    0.74-Carat Golden Yellow Montana Sapphire (Heated)

    $600.00

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

    0.82-Carat Aqua Blue Montana Sapphire (Heated)

    $700.00

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    Add to cartDone
  • A 1.39-carat aqua blue Montana Sapphire (heated), round brilliant-cut, is displayed on a textured gray surface with "EARTH'S TREASURY" at the bottom.

    1.39-Carat Aqua Blue Montana Sapphire (Heated)

    $2,700.00

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  • A 1.55-carat peacock blue Montana Sapphire (heated), round brilliant-cut, is displayed on a textured gray surface with the text "EARTH'S TREASURY" beneath it.

    1.55-Carat Peacock Blue Montana Sapphire (Heated)

    $2,100.00

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    Add to cartDone
  • 0.87-Carat Pale Aqua Montana Sapphire (Heated)

    0.87-Carat Pale Aqua Montana Sapphire (Heated)

    $850.00

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

    0.89-Carat Medium Blue Montana Sapphire (Heated)

    $850.00

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

    0.89-Carat Medium Blue Montana Sapphire (Heated)

    $890.00

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

    0.91-Carat Rich Sky Blue Montana Sapphire (Heated)

    $900.00

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

    0.93-Carat Rich Sky Blue Montana Sapphire (Heated)

    $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.