• 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

    0.70 carat Radiant diamond J VS2

    $1,389 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.71 carat Radiant diamond G SI1

    $1,407 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.71 carat Princess diamond F SI1

    $1,423 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.75 carat Radiant diamond G SI1

    $1,507 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.80 carat Cushion diamond D SI2

    $1,515 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.52 carat Round diamond Yellow SI1

    $1,521 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.91 carat Round diamond E I1 Excellent

    $1,534 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.71 carat Radiant diamond F SI1

    $1,535 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.71 carat Radiant diamond E SI1

    $1,536 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.95 carat Cushion diamond Yellow I1

    $1,543 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.90 carat Radiant diamond K SI1

    $1,549 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.90 carat Princess diamond F I1

    $1,582 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.70 carat Emerald diamond H VS1

    $1,582 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.70 carat Round diamond E SI2 VeryGood

    $1,585 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.12 carat Oval diamond M SI2

    $1,589 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.70 carat Radiant diamond H VS2

    $1,596 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.80 carat Emerald diamond H VS2

    $1,598 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.80 carat Cushion diamond J VVS1

    $1,598 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.81 carat Cushion diamond F SI1

    $1,618 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.25 carat Radiant diamond Yellow SI1

    $1,620 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.70 carat Princess diamond F VS2

    $1,625 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.20 carat Round diamond M SI2 Excellent

    $1,652 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.73 carat Pear diamond I VVS2

    $1,664 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.60 carat Round diamond H VS1 VeryGood

    $1,665 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.01 carat Cushion diamond I SI2

    $1,687 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.90 carat Princess diamond L VS1

    $1,692 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.70 carat Oval diamond H VS1

    $1,707 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.70 carat Marquise diamond D SI1

    $1,716 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.13 carat Radiant diamond L SI1

    $1,736 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.26 carat Radiant diamond M SI2

    $1,736 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.72 carat Princess diamond F VS2

    $1,761 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.80 carat Cushion diamond E SI1

    $1,781 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.90 carat Radiant diamond K VS1

    $1,804 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.02 carat Oval diamond Yellow SI1

    $1,808 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.80 carat Emerald diamond E SI1

    $1,841 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.17 carat Radiant diamond L SI2

    $1,842 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.07 carat Round diamond H I1 VeryGood

    $1,847 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.71 carat Round diamond E SI1 Excellent

    $1,850 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.02 carat Princess diamond H SI2

    $1,877 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.80 carat Princess diamond D SI1

    $1,897 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.90 carat Princess diamond G SI2 Good

    $1,900 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.70 carat Marquise diamond G VS2

    $1,939 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.03 carat Cushion diamond L SI1

    $1,944 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.31 carat Round diamond L SI1 VeryGood

    $1,956 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.08 carat Cushion diamond K I1

    $2,004 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.00 carat Round diamond K VS2 Excellent

    $2,010 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.00 carat Radiant diamond K VS2

    $2,015 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.24 carat Round diamond L I1 VeryGood

    $2,024 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.06 carat Round diamond M SI2 Excellent

    $2,053 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.10 carat Round diamond H SI2 VeryGood

    $2,062 USD Tax exc.
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