• 14 days return

  • Exceptional value

  • Free shipping

  • Diamond expert team

The diamantaire store
Guy
Diamantaire since 1966
Member of the Diamond Exchange of New York

About the diamantaire seller


With more than 40 years of expertise in diamond-jewelry manufacturing, we have established a trusted name in diamonds.
We provide the highest quality of fine diamonds and diamond jewelry to satisfied customers around the world.

Our skilled artisans, state-of-the-art manufacturing factories and reputable distribution offices worldwide specialize in supplying, manufacturing and distributing certified diamonds of all shapes and clarities, ranging from 0.30 carats to 10 carats, and specializing in 0.50 carats to 3 carats.

Our family-run company is committed to maintaining stringent ethical and quality standards and a fully transparent diamond supply chain. Sourcing conflict-free rough diamonds from Africa, Russia and Canada, we use the latest innovative diamond technologies in our manufacturing to constantly develop new and exclusive jewelry lines.

Our dynamic company also offers both digital and online access to our expansive diamond inventory, including high-resolution photographs of each diamond.

This enables our customers to easily find, choose and order from our wide range of breathtaking diamonds and jewelry collections – anywhere, any time.

With overnight worldwide delivery, our unparalleled customer service prioritizes customer satisfaction.

At our company, we truly value our customers and not only meet - but exceed - all of your diamond needs.

View as

  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.01 carat Round diamond H VVS2 VeryGood

    $4,047 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.01 carat Round diamond E SI2 Excellent

    $4,093 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.50 carat Radiant diamond L SI2

    $4,094 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.07 carat Round diamond I SI1 Excellent

    $4,108 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.25 carat Round diamond J SI1 Excellent

    $4,110 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.01 carat Round diamond H SI1 Excellent

    $4,144 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.01 carat Round diamond G SI1 VeryGood

    $4,159 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.01 carat Round diamond G SI1 VeryGood

    $4,159 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.50 carat Round diamond M SI1 Excellent

    $4,193 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.00 carat Round diamond G SI1 Excellent

    $4,202 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.00 carat Round diamond G SI1 Excellent

    $4,202 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.34 carat Radiant diamond Yellow SI1

    $4,216 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.90 carat Round diamond G VVS2 Excellent

    $4,226 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.08 carat Radiant diamond Yellow VVS1

    $4,247 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.50 carat Round diamond K SI2 VeryGood

    $4,271 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.05 carat Round diamond I VS1 VeryGood

    $4,274 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.02 carat Round diamond D SI2 Excellent

    $4,284 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.53 carat Round diamond F I1 VeryGood

    $4,300 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.02 carat Round diamond E SI1 VeryGood

    $4,325 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.03 carat Round diamond H SI1 Excellent

    $4,327 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.52 carat Oval diamond H I1

    $4,343 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.92 carat Princess diamond E VS1

    $4,343 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.00 carat Round diamond G SI1 Excellent

    $4,367 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.20 carat Round diamond F SI2 VeryGood

    $4,395 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.20 carat Radiant diamond I VS2

    $4,404 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.00 carat Round diamond F VS1 VeryGood

    $4,422 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.08 carat Princess diamond H VVS2

    $4,444 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.00 carat Round diamond H VS2 Excellent

    $4,471 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.07 carat Radiant diamond G VS2

    $4,473 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.00 carat Round diamond F SI1 Excellent

    $4,508 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.00 carat Round diamond F SI1 Excellent

    $4,508 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.00 carat Round diamond E VS1 VeryGood

    $4,526 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.00 carat Round diamond G SI1 Excellent

    $4,532 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.01 carat Round diamond G VS1 Excellent

    $4,547 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.00 carat Round diamond H VVS2 VeryGood

    $4,586 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.50 carat Pear diamond K SI2

    $4,600 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.23 carat Princess diamond G SI1

    $4,632 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.75 carat Oval diamond Yellow SI2

    $4,671 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.01 carat Round diamond E VS1 VeryGood

    $4,675 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.01 carat Round diamond E VS1 VeryGood

    $4,675 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.53 carat Round diamond M VS2 Excellent

    $4,702 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.50 carat Oval diamond I SI2

    $4,719 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.00 carat Round diamond E VS1 Excellent

    $4,733 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.00 carat Round diamond E VS1 Excellent

    $4,733 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.12 carat Round diamond H SI1 Excellent

    $4,782 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.00 carat Round diamond G VS2 VeryGood

    $4,787 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.00 carat Round diamond H VS1 VeryGood

    $4,793 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.02 carat Radiant diamond G VS2

    $4,809 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.20 carat Round diamond G SI1 Excellent

    $4,829 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.00 carat Round diamond F VS2 VeryGood

    $4,832 USD Tax exc.
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