• 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

    2.02 carat Round diamond K VVS2 Excellent

    $14,095 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.01 carat Radiant diamond I SI1

    $14,170 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.03 carat Round diamond J VVS2 Excellent

    $14,304 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.70 carat Cushion diamond G VVS1

    $14,419 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.00 carat Round diamond I VS1 Excellent

    $14,475 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.00 carat Round diamond I SI2 Excellent

    $14,553 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.06 carat Round diamond J VVS1 Excellent

    $14,589 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    3.00 carat Oval diamond K SI2

    $14,835 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.00 carat Round diamond H SI2 Excellent

    $15,039 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.01 carat Pear diamond H SI2

    $15,156 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.10 carat Cushion diamond E SI2

    $15,299 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.01 carat Emerald diamond I SI2

    $15,617 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.01 carat Radiant diamond H SI2

    $15,650 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.50 carat Round diamond G IF Excellent

    $15,746 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.00 carat Round diamond H SI1 Excellent

    $15,915 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.52 carat Round diamond J SI1 VeryGood

    $15,977 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.01 carat Round diamond H SI1 VeryGood

    $16,092 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.00 carat Round diamond I VS1 VeryGood

    $16,230 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.04 carat Round diamond I VVS2 VeryGood

    $16,232 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.50 carat Round diamond G VVS1 VeryGood

    $16,478 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.01 carat Round diamond G SI1 Excellent

    $16,609 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.39 carat Round diamond G SI2 Excellent

    $16,896 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.41 carat Round diamond I VS2 Excellent

    $16,939 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.01 carat Round diamond J IF Excellent

    $16,980 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.15 carat Round diamond J VS1 Excellent

    $17,126 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.51 carat Pear diamond Blue I1

    $17,410 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    3.07 carat Pear diamond L SI2

    $17,491 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.01 carat Round diamond H VS2 VeryGood

    $17,698 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.03 carat Princess diamond H VS2

    $17,827 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    3.01 carat Oval diamond K SI2

    $17,846 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.01 carat Round diamond H VVS2 VeryGood

    $18,029 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.02 carat Princess diamond G VS1

    $18,255 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.50 carat Round diamond J VVS2 Excellent

    $18,349 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    3.02 carat Round diamond I SI1 Fair

    $18,397 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.18 carat Round diamond I VS2 Excellent

    $18,626 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.00 carat Round diamond G SI1 Good

    $18,633 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    4.02 carat Radiant diamond L SI2

    $18,955 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.00 carat Round diamond I VS1 Excellent

    $18,975 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.00 carat Round diamond H VS2 Excellent

    $19,110 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.07 carat Round diamond G VS2 Excellent

    $19,357 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.01 carat Round diamond H VVS2 Excellent

    $19,386 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.02 carat Oval diamond H SI1

    $19,573 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.01 carat Round diamond D SI2 Excellent

    $19,597 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.20 carat Round diamond H VS1 Excellent

    $19,793 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.56 carat Round diamond H SI1 Excellent

    $19,935 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.00 carat Round diamond H VS1 VeryGood

    $20,100 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.00 carat Radiant diamond H VS2

    $20,205 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.01 carat Round diamond G VS2 VeryGood

    $20,430 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    4.10 carat Pear diamond J SI2

    $20,831 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.01 carat Cushion diamond D VS2

    $21,044 USD Tax exc.
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