Classic Diamond Round Brilliant

Showing 25–48 of 603 resultsSorted by latest

  • A 2.26-carat heated Montana sapphire, cut in a round brilliant style, sits on a textured light gray surface with "EARTH'S TREASURY" displayed at the bottom.

    2.26-Carat Steely Aqua to Purple Color Change Montana Sapphire (Heated)

    $5,700.00

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  • 2.75-carat round brilliant-cut heated Montana sapphire displayed on a textured surface, featuring the "Earth's Treasury" logo and text at the bottom.

    2.75-Carat Deep Blue to Purple Color Change Montana Sapphire (Heated)

    $9,600.00

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    Add to cartDone
  • A round, faceted blue-green 1.49-carat Montana Sapphire (heated) is displayed on a textured, light-colored surface, with "EARTH'S TREASURY" at the bottom.

    1.49-Carat Rich Teal Montana Sapphire (Heated)

    $2,950.00

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  • A 1.01-carat heated Montana sapphire with a round brilliant cut is showcased on a textured silvery surface, featuring the text "Earth's Treasury" at the bottom.

    1.01-Carat Deep Peacock Blue Montana Sapphire (Heated)

    $1,500.00

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    Add to cartDone
  • A 1.08-carat heated Montana sapphire, round and brilliant-cut, is displayed on a textured, light background with the "EARTH'S TREASURY" text and logo below it.

    1.08-Carat Medium-Sky Particolored Montana Sapphire (Heated)

    $1,600.00

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    Add to cartDone
  • A 1.31-carat heated Montana sapphire in a round brilliant cut rests on a textured light gray surface, with "Earth's Treasury" written below.

    1.31-Carat Deep Peacock Blue Montana Sapphire (Heated)

    $1,600.00

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    Add to cartDone
  • A 1.33-carat heated Montana sapphire, round brilliant-cut and blue in color, shown on a textured surface with "Earth's Treasury" beneath the stone.

    1.33-Carat Deep Peacock Blue Montana Sapphire (Heated)

    $2,250.00

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    Add to cartDone
  • 1.34-Carat Montana Sapphire (Heated), round brilliant-cut blue gemstone, shown on a textured metallic surface with the "EARTH'S TREASURY" logo at the bottom.

    1.34-Carat Rich Teal Montana Sapphire (Heated)

    $2,300.00

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    Add to cartDone
  • A 1.34-carat heated Montana sapphire, cut in a round faceted shape, rests on a textured metallic surface with "EARTH'S TREASURY" displayed beneath it.

    1.34-Carat Teal Blue Montana Sapphire (Heated)

    $2,300.00

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    Add to cartDone
  • 1.48-Carat Montana Sapphire (Heated), round brilliant-cut blue gemstone, showcased on a textured light background with “EARTH’S TREASURY” below.

    1.48-Carat Aqua Blue Montana Sapphire (Heated)

    $3,000.00

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    Add to cartDone
  • A 1.52-carat heated Montana sapphire, cut in a round brilliant style, rests on a light textured surface with the "EARTH'S TREASURY" logo and text at the bottom.

    1.52-Carat Sky Blue Montana Sapphire (Heated)

    $3,000.00

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    Add to cartDone
  • A round brilliant-cut 1.64-carat heated Montana sapphire in blue-green, displayed on a textured light surface, with "EARTH'S TREASURY" text at the bottom.

    1.64-Carat Aqua Montana Sapphire (Heated)

    $4,000.00

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    Add to cartDone
  • A 1.67-carat heated Montana sapphire, cut in a round brilliant shape, is displayed on a textured gray surface with the "Earth's Treasury" logo at the bottom.

    1.67-Carat Light Aqua Blue Montana Sapphire (Heated)

    $3,200.00

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    Add to cartDone
  • A round, faceted 1.68-carat heated Montana sapphire with a vibrant blue hue rests on a textured grey surface, with the "Earth's Treasury" logo and text visible at the bottom of the image.

    1.68-Carat Light Aqua Blue Montana Sapphire (Heated)

    $3,800.00

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    Add to cartDone
  • A 1.69-carat heated Montana sapphire in a round brilliant cut is showcased on a light textured surface with the "Earth's Treasury" logo displayed at the bottom.

    1.69-Carat Rich Teal Montana Sapphire (Heated)

    $3,400.00

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    Add to cartDone
  • A 1.88-carat heated Montana sapphire, round brilliant-cut, is displayed on a textured surface with "Earth's Treasury" below it.

    1.88-Carat Teal Blue Montana Sapphire (Heated)

    $2,800.00

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    Add to cartDone
  • A round brilliant-cut 1.91-carat heated Montana sapphire is displayed on a textured gray surface, with the "EARTH'S TREASURY" text and logo at the bottom.

    1.91-Carat Teal Blue Montana Sapphire (Heated)

    $4,800.00

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    Add to cartDone
  • 1.95-carat heated Montana Sapphire, round brilliant-cut with blue-green hues, shown on a textured surface featuring the "Earth's Treasury" logo at the bottom.

    1.95-Carat Aqua Blue Montana Sapphire (Heated)

    $4,200.00

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    Add to cartDone
  • A 1.97-carat heated Montana sapphire, round brilliant-cut and teal in color, is displayed upright on a textured silver surface with "Earth's Treasury" at the bottom.

    1.97-Carat Rich Teal Montana Sapphire (Heated)

    $5,500.00

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    Add to cartDone
  • A 2.00-carat heated Montana Sapphire with round faceting and vibrant orange, brown, and yellow tones is displayed on a textured gray surface, with the "Earth's Treasury" logo beneath.

    2.00-Carat Orange-Blue Particolored Montana Sapphire (Heated)

    $5,100.00

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    Add to cartDone
  • A 2.02-carat heated Montana Sapphire, round brilliant-cut and blue, displayed on a textured surface with the "EARTH'S TREASURY" logo at the bottom.

    2.02-Carat Teal Montana Sapphire (Heated)

    $3,400.00

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    Add to cartDone
  • A 2.04-carat heated Montana sapphire, round brilliant-cut, is displayed on a textured surface with "EARTH'S TREASURY" at the bottom.

    2.04-Carat Teal Blue Montana Sapphire (Heated)

    $4,600.00

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    Add to cartDone
  • A 2.06-carat heated Montana sapphire, round-cut and blue, is shown on a light textured surface with "EARTH'S TREASURY" displayed at the bottom.

    2.06-Carat Deep Peacock Blue Montana Sapphire (Heated)

    $5,200.00

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    Add to cartDone
  • A 2.07-carat heated Montana sapphire with a round cut displayed on a textured gray surface, featuring the "Earth's Treasury" logo below.

    2.07-Carat Deep Peacock Blue Montana Sapphire (Heated)

    $3,400.00

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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.