Classic Diamond Round Brilliant

Showing 313–336 of 619 resultsSorted by latest

  • Faceted round yellow gemstone on a textured surface with the text "Earth's Treasury" at the bottom. Product: 1.08-Carat Montana Sapphire (Heated).

    1.08-Carat Colorless-Gold Particolored Montana Sapphire (Heated)

    $1,900.00

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    Add to cartDone
  • A 1.18-carat, round-cut Montana Sapphire (heated) in a light blue hue is displayed on a textured surface, with the logo "Earth's Treasury" beneath it.

    1.18-Carat Sky Blue Montana Sapphire (Heated)

    $1,750.00

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

    1.06-Carat Steely Blue-Green Montana Sapphire (Heated)

    $1,850.00

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    Add to cartDone
  • A round, faceted 1.60-carat Montana Sapphire (Heated) with shades of blue sits on a textured surface, with "Earth's Treasury" written at the bottom in black text.

    1.60-Carat Steely Blue Montana Sapphire (Heated)

    $3,600.00

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    Add to cartDone
  • A round-cut blue-green Montana Sapphire gemstone, weighing 0.92 carats, is displayed on a textured surface. The bottom of the image features the logo and text "Earth's Treasury.

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

    $1,150.00

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

    1.06-Carat Medium Blue Montana Sapphire (Heated)

    $1,850.00

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

    1.12-Carat Teal Blue Montana Sapphire (Heated)

    $1,650.00

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

    0.79-Carat Golden Orange Montana Sapphire (Heated)

    $670.00

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

    0.87-Carat Teal Blue Montana Sapphire (Heated)

    $870.00

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

    0.93-Carat Sky Blue Montana Sapphire (Heated)

    $1,200.00

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

    1.01-Carat Deep Peacock Blue Montana Sapphire (Heated)

    $1,800.00

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

    1.07-Carat Sky Blue Montana Sapphire (Heated)

    $1,600.00

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

    1.10-Carat Teal Blue Montana Sapphire (Heated)

    $1,650.00

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

    1.15-Carat Dark Peacock Blue Montana Sapphire (Heated)

    $1,700.00

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    Add to cartDone
  • A 1.15-carat medium blue Montana Sapphire (heated), brilliant-cut and round, rests on a textured beige surface with the Earth’s Treasury logo and text displayed below.

    1.15-Carat Medium Blue Montana Sapphire (Heated)

    $2,200.00

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

    1.17-Carat Teal Blue Montana Sapphire (Heated)

    $1,750.00

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

    1.42-Carat Teal Blue Montana Sapphire (Heated)

    $3,100.00

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

    0.92-Carat Teal Blue Montana Sapphire (Heated)

    $1,150.00

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

    0.93-Carat Teal Blue Montana Sapphire (Heated)

    $990.00

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

    1.06-Carat Medium Blue Montana Sapphire (Heated)

    $1,850.00

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

    1.07-Carat Teal Blue Montana Sapphire (Heated)

    $1,900.00

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

    1.10-Carat Medium Blue Montana Sapphire (Heated)

    $1,650.00

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

    1.16-Carat Rich Blue Montana Sapphire (Heated)

    $2,250.00

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    Add to cartDone
  • A 1.21-Carat Deep Peacock Blue Montana Sapphire (Heated), round brilliant-cut, rests on a textured surface with the "Earth's Treasury" logo and text displayed at the bottom of the image.

    1.21-Carat Deep Peacock Blue Montana Sapphire (Heated)

    $2,350.00

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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.