Classic Diamond Round Brilliant

Showing 385–408 of 624 resultsSorted by latest

  • 1.30-Carat Lemon Yellow Australian Sapphire (Heated)

    1.30-Carat Lemon Yellow Australian Sapphire (Heated)

    $1,400.00

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

    1.33-Carat Medium Blue Montana Sapphire (Heated)

    $1,600.00

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

    0.84-Carat Sky Blue Montana Sapphire (Heated)

    $850.00

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    Add to cartDone
  • A 0.84-carat heated Montana Sapphire, round brilliant-cut, displayed on a textured metallic surface with "EARTH'S TREASURY" at the bottom.

    0.84-Carat Medium Blue Montana Sapphire (Heated)

    $800.00

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    Add to cartDone
  • A 1.41-carat Peacock Blue Montana Sapphire (Heated), round-cut with multiple facets, is displayed on a textured surface. The text "EARTH'S TREASURY" appears at the bottom.

    1.41-Carat Peacock Blue Montana Sapphire (Heated)

    $2,200.00

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    Add to cartDone
  • A 1.43-carat heated teal blue Montana sapphire is displayed on a textured light gray surface, with the "Earth's Treasury" logo and text at the bottom.

    1.43-Carat Teal Blue Montana Sapphire (Heated)

    $2,650.00

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    Add to cartDone
  • 1.29-Carat Peacock Blue Montana Sapphire (Heated), round brilliant-cut, displayed on a textured gray surface with "EARTH'S TREASURY" below the gem.

    1.29-Carat Peacock Blue Montana Sapphire (Heated)

    $2,250.00

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

    1.09-Carat Aqua Blue Montana Sapphire (Heated)

    $1,500.00

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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
  • 1.23-Carat Medium Blue Montana Sapphire (Heated)

    1.23-Carat Medium Blue Montana Sapphire (Heated)

    $1,900.00

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    Add to cartDone
  • A 1.29-carat medium blue Montana sapphire (heated) is displayed on a textured gray surface, with the text "EARTH'S TREASURY" at the bottom.

    1.29-Carat Medium Blue Montana Sapphire (Heated)

    $2,200.00

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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 color-change Montana sapphire in a classic diamond round brilliant design

    1.22-Carat Steely Blue-Green to Purple Color Change Montana Sapphire (Heated)

    $1,600.00

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

    0.88-Carat Violet Purple Montana Sapphire (Heated)

    $800.00

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

    1.48-Carat Medium Blue Montana Sapphire (Heated)

    $1,400.00

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

    0.84-Carat Medium Blue Montana Sapphire (Heated)

    $800.00

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

    1.39-Carat Peacock Blue Montana Sapphire (Heated)

    $2,700.00

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

    1.16-Carat Teal Blue Montana Sapphire (Heated)

    $1,300.00

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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 particolored Montana sapphire in a classic diamond round brilliant design

    0.84-Carat Aqua-Yellow Particolored Montana Sapphire

    $800.00

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    Add to cartDone
  • A blue Australian Sapphire in a classic diamond round brilliant design

    1.18-Carat Midnight Blue Australian Sapphire (Heated)

    $900.00

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

    1.29-Carat Medium Blue Montana Sapphire (Heated)

    $1,200.00

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

    1.19-Carat Pale Aqua Blue Montana Sapphire (Heated)

    $1,400.00

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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.