• 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

    1.51 carat Round diamond K VS2 VeryGood

    $5,842 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.00 carat Round diamond G VS1 VeryGood

    $5,853 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.08 carat Round diamond H VS2 Excellent

    $5,878 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.29 carat Round diamond I VS2 Excellent

    $5,913 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.50 carat Round diamond J SI2 Excellent

    $5,921 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.00 carat Round diamond M SI2 Good

    $6,003 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

    $6,011 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.11 carat Round diamond F VS1 Excellent

    $6,051 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.79 carat Heart diamond J SI2

    $6,068 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.71 carat Radiant diamond K SI1

    $6,077 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.70 carat Princess diamond H SI2

    $6,083 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.72 carat Round diamond L SI1 Excellent

    $6,089 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.71 carat Radiant diamond Yellow VS2

    $6,151 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.00 carat Round diamond F VS1 Excellent

    $6,155 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.51 carat Oval diamond G SI2 VeryGood

    $6,163 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.60 carat Radiant diamond J SI1

    $6,181 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.22 carat Round diamond I VS1 Excellent

    $6,227 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.20 carat Round diamond D SI1 VeryGood

    $6,274 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.50 carat Princess diamond J VS2

    $6,276 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.50 carat Round diamond I SI1 Excellent

    $6,283 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

    $6,326 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.00 carat Round diamond F VVS2 VeryGood

    $6,330 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.00 carat Round diamond F VVS2 VeryGood

    $6,330 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.71 carat Cushion diamond I SI2

    $6,331 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.50 carat Round diamond G SI2 Good

    $6,339 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.51 carat Oval diamond J SI2

    $6,354 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.00 carat Round diamond D VS2 VeryGood

    $6,383 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.50 carat Round diamond K VS1 VeryGood

    $6,485 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.62 carat Radiant diamond J SI1

    $6,490 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.00 carat Oval diamond L SI2

    $6,519 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.70 carat Cushion diamond G SI2

    $6,521 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.71 carat Round diamond K SI2 VeryGood

    $6,552 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.74 carat Round diamond I SI2 Excellent

    $6,610 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.50 carat Pear diamond H SI2

    $6,627 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.50 carat Cushion diamond Yellow SI2

    $6,641 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.50 carat Round diamond K VVS2 Excellent

    $6,663 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.51 carat Oval diamond J SI1

    $6,707 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.50 carat Round diamond H SI2 VeryGood

    $6,744 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.50 carat Round diamond I SI2 Excellent

    $6,771 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.73 carat Round diamond L VVS1 Excellent

    $6,848 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.52 carat Cushion diamond H SI1

    $6,860 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.72 carat Heart diamond H SI2

    $6,863 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.51 carat Round diamond G SI2 Excellent

    $6,884 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.02 carat Pear diamond Yellow SI2

    $6,941 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.70 carat Princess diamond I SI2

    $6,945 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.70 carat Cushion diamond I SI2

    $6,945 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.20 carat Round diamond G VVS2 Excellent

    $6,951 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.40 carat Round diamond G VS1 Excellent

    $6,992 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.50 carat Cushion diamond G SI1

    $7,007 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.85 carat Round diamond I SI2 Excellent

    $7,024 USD Tax exc.
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