Classic Diamond Round Brilliant

Showing 505–528 of 603 resultsSorted by latest

  • ET1635 gemstone resting on a textured gray surface with the "Earth's Treasury" logo.

    1.34-Carat Light Pink Tourmaline

    $470.00

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  • 2.87-Carat Pink Tourmaline

    2.87-Carat Light Pink Tourmaline

    $950.00

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

    0.59-Carat Pale Blue Umba Sapphire

    $400.00

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

    0.79-Carat Sky Blue Umba Sapphire

    $700.00

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  • A white Umba sapphire in a classic diamond round brilliant design

    0.81-Carat Colorless Umba Sapphire

    $600.00

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

    0.85-Carat Steely Blue Umba Sapphire

    $700.00

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

    0.91-Carat Blue Montana Sapphire (Heated)

    $910.00

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

    0.93-Carat Sky Blue Montana Sapphire (Heated)

    $950.00

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

    1.13-Carat Medium Blue Montana Sapphire (Heated)

    $1,800.00

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

    1.15-Carat Peacock Blue Montana Sapphire (Heated)

    $1,700.00

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

    1.19-Carat Peacock Blue Montana Sapphire (Heated)

    $1,900.00

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  • A 1.20-carat violet-blue Montana sapphire (heated) is shown on a textured surface, with "EARTH'S TREASURY" displayed at the bottom.

    1.20-Carat Violet-Blue Montana Sapphire (Heated)

    $1,990.00

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

    1.21-Carat Rich Blue Montana Sapphire (Heated)

    $1,900.00

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

    1.28-Carat Peacock Blue Montana Sapphire (Heated)

    $1,900.00

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

    1.29-Carat Light Blue Montana Sapphire (Heated)

    $1,900.00

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  • A 1.31-carat Teal Blue Montana Sapphire (Heated) with a round, faceted cut is shown on a textured light gray surface, accompanied by the text "EARTH'S TREASURY" below.

    1.31-Carat Teal Blue Montana Sapphire (Heated)

    $1,965.00

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  • A 1.31-carat teal blue Montana Sapphire (heated) with a round, faceted cut rests on a textured light gray surface, with "EARTH'S TREASURY" written below.

    1.31-Carat Teal Blue Montana Sapphire (Heated)

    $2,600.00

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  • 1.32-carat medium blue heated Montana sapphire with intricate facets shown on a textured gray surface; "Earth's Treasury" logo and text visible at the bottom.

    1.32-Carat Medium Blue Montana Sapphire (Heated)

    $2,600.00

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  • A 1.33-carat medium blue heated Montana Sapphire gemstone is displayed on a textured light brown surface with the Earth's Treasury logo at the bottom.

    1.33-Carat Medium Blue Montana Sapphire (Heated)

    $1,995.00

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  • 1.47-Carat Medium Blue Montana Sapphire (Heated), round brilliant-cut, showcased on a textured gray surface with the Earth's Treasury logo and text at the bottom.

    1.47-Carat Medium Blue Montana Sapphire (Heated)

    $2,900.00

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  • A 1.47-carat rich blue Montana Sapphire (heated), round and faceted, rests on a textured gray surface with “EARTH'S TREASURY” and a hexagonal logo shown below.

    1.47-Carat Rich Blue Montana Sapphire (Heated)

    $2,500.00

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  • 1.49-carat medium blue heated Montana Sapphire, round brilliant-cut, displayed on a textured background with the "Earth's Treasury" logo and text at the bottom.

    1.49-Carat Medium Blue Montana Sapphire (Heated)

    $2,900.00

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

    1.63-Carat Teal Blue Montana Sapphire (Heated)

    $3,200.00

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  • A 1.64-carat rich blue Montana Sapphire (heated), brilliantly round-cut, glimmers on a textured gray surface. The "EARTH'S TREASURY" logo and text are displayed at the bottom of the image.

    1.64-Carat Rich Blue Montana Sapphire (Heated)

    $3,300.00

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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.